As a computer engineer, I treat the IELTS Writing Task 1 as a data visualization and feature extraction problem. Below is a curated “API Documentation” of high-level English expressions for describing dynamic trends and fluctuations.
How to describe the initial state of a variable.
| Expression | Logic / Context |
|---|---|
| Commence from a low base of… | Ideal for technologies starting from near-zero (e.g., Internet). |
| The initial figure for [X] stood at… | A professional way to state the first data point. |
| Start at a relatively modest [Number] | Used when the starting value is low but not negligible. |
Describing the first derivative ($f’(x)$) and the velocity of growth.
| Expression | Logic / Context |
|---|---|
| Maintain a steady upward trajectory | Linear growth with a constant positive slope. |
| Experience a sharp acceleration | When the slope increases significantly (d2y/dx2 > 0). |
| Growth gained momentum after… | Used for a turning point where growth becomes faster. |
| Skyrocket / Surge / Soar | Describing exponential-like growth or high-velocity surges. |
Describing the interaction between two or more variables.
| Expression | Logic / Context |
|---|---|
| Narrow / Close the gap | When the distance between two lines decreases. |
| Widen the gap | When the divergence between two datasets increases. |
| Effectively overtake / Surpass | A critical intersection point where values cross. |
| Effectively eclipse [X] | To surpass [X] by a large margin, making it secondary. |
Describing non-monotonic behavior or unexpected dips.
| Expression | Logic / Context |
|---|---|
| Buck the general trend | When one category behaves differently from the rest. |
| Experience a marginal dip | A small, temporary decrease in value. |
| Undergo a temporary decline before recovering | A classic ‘V-shaped’ recovery pattern. |
| Regain momentum / Rebound | Returning to a growth state after a dip or plateau. |
High-level summary phrases for the ‘Overview’ paragraph.
| Expression | Logic / Context |
|---|---|
| It is manifest that… | A more formal alternative to “It is clear that”. |
| [X] emerged as the dominant category… | Highlighting the leader of the dataset. |
| The most striking feature is… | Pointing out the most significant data anomaly or trend. |
| Exhibit a consistent upward trend | Summarizing a general positive correlation over time. |
| Vocabulary / Phrase | Romanization (Jyutping) | Meaning | Context & English Explanation |
|---|---|---|---|
| 湿湿碎 | sap1 sap1 seoi1 | A piece of cake | Used to describe a task that is trivial or very easy to complete. Equivalent to “No big deal.” |
| 做乜嘢 | zou6 mat1 je5 | What are you doing? | The standard way to ask “What are you doing?” Logic: Do (做) + What (乜) + Thing (嘢). |
| 做乜 / 做乜鬼 | zou6 mat1 (gwai2) | What (the heck)? | Zou mat is the shorthand. Zou mat gwai is stronger, like “What the heck are you doing?” |
| 喺度 | hai2 dou6 | -ing / Right here | Used before a verb to indicate a continuous action (like the English “-ing”) or to say “I am here.” |
| 好攰 | hou2 gui6 | So exhausted | Used to express physical or mental tiredness. “I’m so spent after coding all day.” |
| 好嬲 | hou2 nau1 | So angry | Used when you are mad or pissed off. Note: The character “嬲” specifically means angry in Cantonese. |
| 好叻 | hou2 lek1 | So smart / Capable | A common compliment for someone who is brilliant, talented, or has done a great job. |
| 心水 | sam1 seoi2 | Favorite / Preferred | 心头好、中意的东西 |
| 扮嘢 | baan6 je5 | To show off / To pretend | 装模作样、摆谱 |
| Sentence / Component | Romaji | Meaning | Logic / Analogy |
|---|---|---|---|
| 集中して勉強しています | Shuuchuu shite benkyou shite imasu | I’m focusing on my studies. | Stacking logic: “Focusing AND Studying.” |
| 集中して | Shuuchuu shite | Focusing | Modifier/State: Using “te-form” to link states. |
| 勉強 | Benkyou | Study | Core Object: The noun part of the action. |
| しています (います) | shite-imasu | Am doing | Wrapper: Progressive state + Politeness flag. |
| Vocabulary / Phrase | Romanization | Meaning | Context & Logic |
|---|---|---|---|
| 顺风车 | zen fong cu | Hitch a ride / Carpool | 现代上海话直接发音，”zen” 对应顺，”fong” 对应风，”cu” 对应车。 |
| 轮船 | len zoe | Ship / Steamboat | 上海话发音，”leng” 对应轮，”zei” 对应船。 |
| 侬耳朵当八折 | nong ni du dang ba za | Are your ears only working at 80%? | Logic: Teasing someone for not listening carefully or mishearing things. |
| 退招势 | te zao si | Showy / Pretentious | 太丢脸 |
| 出外快 | ca nga kuai | Hit the mark by a fluke | 歪打正着、意外收获 |
| 辣手 | laq siu | Tough / Cruel / Tricky | 棘手、厉害、手段狠毒 |
| Word | Morphological Breakdown | Definition (CS/Technical Context) | Typical Application |
|---|---|---|---|
| Current | cur (run/flow) + ent (adj. suffix) |
Present; Ongoing | Current branch (The branch you are currently working on). |
| Concurrent | con (together) + cur (run) |
Running together / Parallel | Concurrency in C++, referring to multiple threads running simultaneously. |
| Recursion | re (back) + cur (run) |
Running back to itself | A function that calls itself until a base case is met. |
| Cursor | curs (run) + or (agent/tool) |
The runner/indicator | The indicator on a screen that “runs” to a specific position. |
| Course | cours (flow) |
Path / Direction | The path of a process or a series of lectures (a “study path”). |
| Occur | oc (toward) + cur (run) |
To run into / To happen | An error occurred: An event that ran into the program’s execution flow. |
| Precursor | pre (before) + cur (run) |
Forerunner | A state or event that “runs before” another (a prerequisite). |
| Word | Morphological Breakdown | Definition (CS/Technical Context) | Typical Application |
|---|---|---|---|
| Repository | re (back/store) + pos (place) |
A place where things are stored | Git Repo: The physical/logical location where code assets are placed. |
| Component | com (together) + pon (put) |
A part placed together with others | Reusable UI Components in your Jekyll site or software modules. |
| Compose | com (together) + pos (put) |
To put together / To construct | Docker Compose: Putting multiple containers together to run as a service. |
| Position | pos (place) + ition (noun suffix) |
The location of an object | The index or memory address where a data element is “placed.” |
| Deposit | de (down) + pos (place) |
To put down / To store | Placing money into a bank or “depositing” data into a database. |
| Postpone | post (after) + pon (put) |
To put off until later | Moving a task or a meeting to a later “place” on the timeline. |
| Compound | com (together) + pound (put) |
To put together / Complex | Compound Interest: Interest placed on top of interest. |
| Oppose | op (against) + pos (place) |
To place against | To set a different view or value against the current one. |
Etymology: Derived from Greek genos and Latin genus, meaning “Birth / Origin / Kind / Race”.
Engineering Intuition: Visualize “Creation” and “Type”—the mechanism that spawns new instances or defines the nature of a class/category.
| Word | Morphological Breakdown | Definition (CS/Technical Context) | Typical Application |
|---|---|---|---|
| Generate | gen (birth) + ate (verb suffix) | To produce or create | Code Generation: Tools that automatically write boilerplate code. |
| Generic | gen (kind) + ic (adj. suffix) | Relating to a whole group/type | Generics in C++: Using templates to write code that works with any data type. |
| Generator | gen (birth) + er/or (agent) | A routine that produces values | Python Generators: Functions that yield a sequence of values lazily. |
| Degenerate | de (down/away) + gen (kind) | To fall away from its type | Degenerate Case: A limiting case where a problem changes its nature (e.g., a circle with radius 0). |
| Indigenous | indi (within) + gen (birth) + ous | Born within; native | Indigenous Data: Data that is local or native to a specific environment/system. |
| Heterogeneous | hetero (different) + gen (kind) | Consisting of different types | Heterogeneous Computing: Systems using different types of processors (e.g., CPU + GPU). |
| Homogeneous | homo (same) + gen (kind) | Consisting of the same type | Homogeneous Cluster: A server cluster where all nodes have identical hardware. |
| Regenerate | re (again) + gen (birth) | To create or build again | Regenerate Assets: Re-building cache or static files (like in your Jekyll site). |
if-else。Jan 31, 2026
| Vocabulary / Phrase | Romanization (Jyutping) | Meaning | Context |
|---|---|---|---|
| Ling 零 | ling4 | Zero | Same as in Mandarin but with a lower tone. |
| Jat 一 | jat1 | One | Used for counting or items. |
| Ji 二 / Loeng 两 | ji6 / loeng5 | Two | “Ji” for numbers, “Loeng” for quantities. |
| Saam 三 | saam1 | Three | Sounds like “Life/Birth” (Prosperous). |
| Sei 四 | sei3 | Four | Sounds like “Death” (Often avoided). |
| Ng 五 | ng5 | Five | Pronounced as a nasal “Ng” sound. |
| Luk 六 | luk6 | Six | Sounds like “Luck” or “Smooth”. |
| Chat 七 | cat1 | Seven | Be careful: can be used in slang/curse words. |
| Baat 八 | baat3 | Eight | Sounds like “Prosperity” (Fa). |
| Gau 九 | gau2 | Nine | Often used in the phrase “Gau-m-daap-baat” (Nonsense). |
| Sap 十 | sap6 | Ten | Pronounced like a short “Sub”. |
| Nei Hou 你好 | nei5 hou2 | Hello | Standard greeting for anyone. |
| Do-ze 多谢 | do1 ze6 | Thank you (formal) | Use for gifts, offers, or big opportunities. |
| Hou-je 好嘢 | hou2 je5 | Great / Awesome | To cheer or celebrate a good result. |
| Mou-man-tai 冇问题 | mou5 man6 tai4 | No problem | “Sure,” “I can do it.” |
| Gaau-dim 搞掂 | gaau2 dim6 | Done / Settled | When you finish a task or fix a bug. |
| Sau-gung 收工 | sau1 gung1 | Finish work | Leaving the office after a long day. |
| Sik-faan 食饭 | sik6 faan6 | Eat meal | General term for lunch/dinner or hanging out. |
| Nei-waa-si 你话事 | nei5 waa6 si6 | Up to you | “You call the shots.” |
| Daai-lou 大佬 | daai6 lou2 | Boss / Expert | Can mean a literal boss or a pro engineer. |
| Ging 劲 | ging6 | Powerful / Pro | “Your code is so ging!” (very professional). |
| Zau-sin 走先 | zau2 sin1 | Leaving now | Said when you leave a group or the office. |
| Coi-can 踩亲 | caai2 can1 | Stepped on | Said when you step on something accidentally |
| Baak-caat 爆擦 | baau3 caat3 | Chapped | cracked when lips get dry |
| Vocabulary / Phrase | Romanization (Jyutping) | Meaning | Context / Usage |
|---|---|---|---|
| Nei giu me meng aa? 你叫咩名呀？ | nei5 giu3 me1 meng2 aa3? | What is your name? | Standard way to ask someone’s name. |
| Ngo giu… 我叫… | ngo5 giu3… | My name is… | Introducing yourself. |
| Dim joeng cing fu? 点样称呼？ | dim2 joeng6 cing1 fu1? | How should I address you? | A more formal/polite way to ask for a name. |
| Hou gou hing sik dou nei 好高兴识到你 | hou2 gou1 hing3 sik1 dou2 nei5 | Nice to meet you | Use after exchanging names. |
| Zung-man meng 中文名 | zung1 man4 meng2 | Chinese name | Referring to your Chinese name. |
| Eng-man meng 英文名 | jing1 man4 meng2 | English name | Referring to your English name (e.g., Di). |
| Sin-sang 先生 | sin1 saang1 | Mr. / Gentleman | Formal address for a man. |
| Siu-ze 小姐 | siu2 ze2 | Ms. / Lady | Formal address for a woman. |
| Vocabulary | Romanization | Meaning | Context |
|---|---|---|---|
| よろしくお願いします | Yoroshiku onegaishimasu | Nice to meet you / I’m in your hands | Used when starting a project or asking a favor. |
| こんにちは | Konnichiwa | Hello | Standard greeting. |
| ありがとう | Arigatou | Thank you | Informal way to say thanks. |
| 元気ですね | Genki desu ne | You are energetic / How are you? | A friendly greeting or observation. |
| せんせい | Sensei | Teacher / Master | Used for teachers, doctors, or experts. |
| 集中して勉強しています | Shuuchuu shite benkyou shite imasu | I am studying with focus | “Shuuchuu” means concentration. |
| なるほど | Naruhodo | I see / Indeed | Used when you understand something new. |
| ご飯にする？ | Gohan ni suru? | Shall we eat? | Informal way to suggest eating. |
| お疲れ様です | Otsukaresama desu | Good job / Thanks for your hard work | Very common in work or collaboration. |
Jan 24, 2026
| Vocabulary / Phrase | Romanization (Jyutping) | Meaning | Context |
|---|---|---|---|
| M-goi 唔该 | m4 goi1 | Thank you / Excuse me | Service-related scenarios |
| Bin-dou 边度 | bin1 dou6 | Where? | Asking for directions |
| Ho-sai-lei 好犀利 (猴赛雷雷) | hou2 sai3 leoi6 | Incredible / Awesome | High praise for great work |
| Jo-san 早晨 | zou2 san4 | Good morning | The most standard and common morning greeting. |
| Zok-jat 昨日 | zok6 jat6 | Yesterday | Referring to the previous day. |
| Gam-jat 今日 | gam1 jat6 | Today | Referring to the current day. |
| Ting-jat 听日 | ting1 jat6 | Tomorrow | Referring to the following day. |
| Vocabulary / Phrase | Romanization (Jyutping) | Meaning | Context |
|---|---|---|---|
| Zok-nyih 昨捏 | zok6 nyih8 | Yesterday | The more colloquial and common way to say “Yesterday” in Shanghai. |
| Jin-zao 今朝 | jin1 zau1 | Today | The standard way to say ““Today”” in Shanghainese. |
| Min-zao 明朝 | min2 zau1 | Tomorrow | Referring to the next day. |
| Kanji (汉字) | Hiragana (平假名) | Romanization | Meaning | Notes & Context |
|---|---|---|---|---|
| 元気 | げんき | genki | Healthy / Energetic | Used in “O-genki desu ka?” (How are you?). |
| 犬 | いぬ | inu | Dog | As in “Shiba Inu” (柴犬). |
| 猫 | ねこ | neko | Cat | A common trope in anime and folklore. |
| 秋 | あき | aki | Autumn | Famous for “Momiji” (red maple leaves) |
| 雪 | ゆき | yuki | Snow | Associated with winter and “Yuki-onna”. |
| 死ぬ | しぬ | shinu | To die | A blunt verb; use “nakunaru” (亡くなる) for politeness. |
| Row | あ-段 (a) | い-段 (i) | う-段 (u) | え-段 (e) | お-段 (o) |
|---|---|---|---|---|---|
| あ-行 | あ ア (a) | い イ (i) | う ウ (u) | え エ (e) | お オ (o) |
| か-行 | か カ (ka) | き キ (ki) | く ク (ku) | け ケ (ke) | こ コ (ko) |
| さ-行 | さ サ (sa) | し シ (shi) | す ス (su) | せ セ (se) | そ ソ (so) |
| た-行 | た タ (ta) | ち チ (chi) | つ ツ (tsu) | て テ (te) | と ト (to) |
| な-行 | な ナ (na) | に ニ (ni) | ぬ ヌ (nu) | ね ネ (ne) | の ノ (no) |
| は-行 | は ハ (ha) | ひ ヒ (hi) | ふ フ (fu) | へ ヘ (he) | ほ ホ (ho) |
| ま-行 | ま マ (ma) | み ミ (mi) | む ム (mu) | め メ (me) | も モ (mo) |
| や-行 | や ヤ (ya) | ゆ ユ (yu) | よ ヨ (yo) | ||
| ら-行 | ら ラ (ra) | り リ (ri) | る ル (ru) | れ レ (re) | ろ ロ (ro) |
| わ-行 | わ ワ (wa) | を ヲ (wo) | |||
| 拨音 | ん ン (n) |