Summary: A prompt is the one sentence you hand your work to AI with. Write it clearly and the AI does the job well; write it vaguely and it can only make things up.

⚠️ No technical background needed — if you can type, you can use this.

1. The Pain Point: Sound Familiar?

You type "help me write a proposal" into an AI chat box and get back something empty and generic. You ask it to "tidy this up" and it returns a wall of prose instead of the table you wanted.

The problem is rarely the AI — it's that the prompt left too much unsaid. This article gives you a simple three-part formula that turns vague requests into prompts the AI can actually act on, plus four copy-paste prompts you can use at work today.

Prerequisites (What You Need First)

  • An AI chat tool at hand: ChatGPT, Claude, Gemini, or Grok — any one works.
  • You handle text work every day: weekly reports, long reads, copy revision, information organization.
  • No technical background required — if you can type, you can start.

2. Steps

2.1 Step 1: Understand the Three Elements of a Prompt

Many people think "prompt engineering" is something mystical. Broken down, it's just three pieces: role + task + constraint.

  • Role: who you ask the AI to pretend to be (a seasoned secretary? a professional editor? a financial advisor?).
  • Task: what you actually want it to do (write, revise, distill, organize).
  • Constraint: where the boundaries are (length, tone, format, what to avoid).

Keep this universal template in mind — most jobs can fit into it:

You are a <role>.
Please help me <task>.
Requirements:
1. <constraint 1, e.g., no more than 200 words>
2. <constraint 2, e.g., keep the language conversational>
3. Output format: <e.g., list three points>

Swap the angle-bracketed parts for your real situation, and a usable prompt takes shape.

2.2 Step 2: Four Most Common Office Prompts (Copy-Paste Ready)

Example 1: Write a weekly report

You are a meticulous project assistant.
Based on the work content below, write this week's report for me.
Requirements:
1. Organize it into three sections: "Completed This Week / In Progress / Risks & Items Needing Coordination";
2. One sentence per item — state the outcome, not the process;
3. No more than 300 words in total; keep the tone formal and concise.
Work content:
<paste what you did this week>

Example 2: Distill key points from a long article

You are an industry researcher.
Read the article below and distill 5 core takeaways.
Requirements:
1. Structure each takeaway as "conclusion + one sentence of supporting evidence";
2. Don't restate the original text — extract the viewpoints;
3. Close with one sentence summarizing the article's main idea.
Article:
<paste the long article>

Example 3: Make stiff copy sound more conversational

You are a senior copywriter.
The product intro below reads stiff and robotic. Rewrite it so it sounds conversational, like a real person recommending the product.
Requirements:
1. Keep every key fact — no exaggeration, no making things up;
2. Use short sentences, like you're chatting with a friend;
3. Output only the rewritten version; no need to explain your changes.
Original text:
<paste the stiff copy>

Example 4: Organize information into a fixed table

You are a data-organizing assistant.
Turn the scattered information below into a table.
Requirements:
1. Fixed headers: Name, Department, Task This Week, Status, Notes;
2. Leave missing fields blank — do not invent values;
3. Output the table only, with no extra commentary.
Raw information:
<paste the messy text>

2.3 Step 3: Four Pitfalls We Only Learn the Hard Way

  • Too vague: just saying "help me write a proposal" leaves the AI guessing who you are, who it's for, and the context — so it writes something hollow. Add a role and background and the result changes instantly.
  • No format specified: without a format, the AI improvises and may hand you a long essay. Say up front whether you want a table, bullets, or a three-part structure.
  • Unclear input and output: "tidy this up" — tidy what? Give it the raw material (paste the content) and state what shape of output you expect.
  • Too much in one go: asking the AI to write a weekly report, revise copy, build a table, and translate on top of that all at once — it starts dropping balls. One task per prompt gives the best quality.

3. FAQ / Troubleshooting

Q: I followed the template but still wasn't happy with the result? A: First tell whether the "role wasn't set" or the "constraints weren't firm enough." For example, if you wanted a formal tone but got a stand-up routine, change the constraint to "formal tone, no internet slang," and give it a sample snippet to align with.

Q: The AI started making up data — what do I do? A: Add a constraint: "based only on the content I provide; mark missing information honestly, do not fabricate." For table organization, stress "do not fabricate" especially.

Q: The output is too long to get through? A: Just cap the length directly, e.g. "no more than 200 words"; or ask for "conclusion first, details after."

4. Next Steps

A prompt isn't that mystical — spell out "who you are, what to do, what the rules are" in three sentences and the AI can take the job. To go further, drop in a ready-made template: for expense organization see B1 (Expense Sheet), for work-summary examples see B5 (Work Summary), and to understand the logic of AI office work from the ground up, revisit A2 (Overview).

5. CTA

Want more? The next article, A4 · Tool Comparison, walks you through a side-by-side look at several mainstream AI tools and helps you pick the one that fits your office scenario best.

This article is part of the "AI-Powered Office: From Beginner to Expert" series, A3. Author: He Xun. Translator: Yi An. Status: Draft.