Idioms (成语) Every Primary School Student Should Master for Chinese Composition
One of the quickest ways to elevate a student’s Chinese composition writing is by using well-placed idioms—also known as 成语 (chéng yǔ). In MOE-marked exams like PSLE Chinese, compositions that include relevant and expressive 成语 often stand out for their language richness and fluency.
However, many students either avoid using idioms or use them incorrectly. In this article, we list 20 essential idioms every primary school student should know, explain how to use them effectively, and offer tips from our teaching team at Xuelin Learning Hub on mastering 成语 with confidence.
1. Why Use 成语 in Chinese Composition Writing?
✅ They enrich language and demonstrate advanced vocabulary
✅ They show cultural awareness and deeper understanding
✅ They help express ideas concisely with imagery and emotion
✅ They boost scores in the “语言表达” (language expression) section of PSLE
A well-used idiom can replace a whole sentence—making your writing powerful and memorable.
2. Top 20 Must-Know Chinese Idioms for Primary School
Grouped by theme for easier learning and application:
🌟 Emotions & Attitude
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心花怒放 – Be elated / Overjoyed
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七上八下 – Nervous / Uneasy
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满头大汗 – Sweating profusely (usually from stress or heat)
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手足无措 – At a loss / Don’t know what to do
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兴高采烈 – Very excited and energetic
👬 Behaviour & Character
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助人为乐 – Find joy in helping others
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品学兼优 – Excellent in both conduct and studies
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守望相助 – Watch over and help one another
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自私自利 – Selfish and self-centered
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尊师重道 – Respect teachers and value education
💥 Accidents & Incidents
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不小心 – (Not an idiom, but a trigger phrase)
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手忙脚乱 – Flustered and panicked
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惊慌失措 – Terrified and out of control
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天昏地暗 – Chaos / Disorder
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火冒三丈 – Extremely angry
📖 Values & Life Lessons
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知错能改 – Admit and correct one’s mistake
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将心比心 – Put yourself in someone else’s shoes
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一分耕耘，一分收获 – You reap what you sow
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半途而废 – Give up halfway
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坚持不懈 – Persevere without giving up
3. How to Use 成语 Correctly in a Composition
✅ Tip 1: Context First, Idiom Later
Use 成语 where it naturally fits the situation. Don’t force it.
Example:
他一边跑一边喊，满头大汗地冲进教室。
✅ Tip 2: Limit to 2–3 Idioms per Essay
More isn’t always better. Focus on quality and accuracy.
✅ Tip 3: Always Understand the Idiom’s Meaning
Misused idioms confuse markers and may lower your score.
✅ Tip 4: Practise Rewriting Sentences with Idioms
E.g. Rewrite “他很开心” into “他心花怒放地笑了出来。”
4. Common Mistakes to Avoid
❌ Using idioms that don’t fit the tone (e.g., humorous idioms in serious accidents)
❌ Translating English idioms into Mandarin directly
❌ Writing idioms with wrong characters (e.g., 兴高采烈 as 星高采烈)
❌ Memorising idioms without knowing how to apply them
That’s why our students at Xuelin Learning Hub learn idioms through story writing and sentence expansion exercises—not just rote memorisation.
5. How We Teach 成语 at Xuelin
In our Chinese enrichment classes and Chinese tuition for beginners, we:
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Introduce 2 idioms per week with usage examples
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Include weekly composition prompts that encourage idiom use
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Highlight 成语 during composition marking and suggest improvements
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Run 成语 revision games (e.g., fill-in-the-blank, matching, storytelling)
We also provide printable 成语 study sheets and flashcards to support home learning.
6. Fun Ways to Learn Idioms at Home
🎲 成语 Bingo or Matching Cards
🧠 Daily Idiom Challenge (e.g., “Use this idiom in a sentence today”)
📖 Storybooks that Feature Idioms
🎥 Watch Mandarin cartoons or dramas with expressive language
When idioms become part of everyday language exposure, your child will use them naturally in writing.
Conclusion
Mastering Chinese idioms is one of the fastest ways to improve your child’s Chinese composition writing. When used correctly, 成语 add colour, clarity, and impact to stories—turning average essays into high-scoring ones.
At Xuelin Learning Hub, we guide students not only to memorise 成语, but to use them confidently and effectively in exams and beyond.
Want a 成语 starter kit? Contact us to receive a free printable idiom list curated by our teachers.
