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废寝忘食 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
废寝忘食fèiqǐnwàngshíto neglect sleep and forget about food (idiom)HSK 7, i, 37 strokes, rank #38088, Very Hard
废寝忘食fèiqǐnwàngshíto skip one's sleep and mealsHSK 7, i, 37 strokes, rank #38088, Very Hard
废寝忘食fèiqǐnwàngshíto be completely wrapped up in one's workHSK 7, i, 37 strokes, rank #38088, Very Hard
fèiqǐnwàngshí(fei4qin3wang4shi2)fei qin wang shi T4
  1. 1to neglect sleep and forget about food (idiom)
  2. 2to skip one's sleep and meals
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March 24, 2026

废寝忘食(廢寢忘食)fèiqǐnwàngshí(fei4qin3wang4shi2)

The idiom 废寝忘食 (fèi qǐn wàng shí) describes a state of being so engrossed in work or a task that one neglects essential needs like sleep and food. It is commonly used to express dedication or obsession, often in academic or professional contexts. The phrase carries a nuance of extreme commitment, sometimes to the detriment of one’s health.

Strokes37Frequency#38088DifficultyVery Hard
Cultural note

In Chinese culture, dedication to work and study is highly valued, often seen in students and professionals who put in long hours. The concept of neglecting sleep and food to achieve one's goals reflects a broader cultural emphasis on hard work and perseverance, particularly in academic success.

Memory tip

Imagine someone so focused on studying for their exams that they literally forget to sleep (废寝) and eat (忘食). Visualize a student surrounded by books, with a clock showing late hours and empty food containers, symbolizing their dedication and neglect of basic needs.

Meanings of 废寝忘食

fèiqǐnwàngshí(fei4qin3wang4shi2)
1to neglect sleep and forget about food (idiom)
2to skip one's sleep and meals
Exercise 1 of 2

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About 废寝忘食

废寝忘食Simplified
廢寢忘食Traditional
37Strokes
—Radical
成语chéngyǔidiom (id.)Part of Speech
#38088Frequency Rank
HSK 2.0L6HSK 3.0L7AdvancedTOCFLL5BCT✓CEFRC2

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AI study notes for 废寝忘食

Usage Notes

This idiom is often used in both formal and informal contexts, but be cautious about its tone when used in casual conversation, as it may imply excessive behavior. Common collocations include '废寝忘食地学习' (to study without sleep or food) or '废寝忘食地工作' (to work tirelessly). Avoid using it to describe moderate dedication, as it implies an extreme level of commitment.

HSK Study Tips

As an HSK 6 idiom, 废寝忘食 is a good example of how language can express complex ideas succinctly. Students should focus on understanding similar idiomatic expressions at this level, which often convey deeper cultural meanings. Practice using it in sentences to reinforce its context.

Common Mistakes

Learners often misuse this idiom in less intense situations, such as saying '我今天在家里废寝忘食' (I was neglecting sleep and food at home today) when they simply had a busy day. Correct usage would involve situations where someone is truly immersed in work or study, like '他为了考试废寝忘食' (He neglected sleep and food for his exam).

AI-enhanced 2026-03-24

Pronunciation of 废寝忘食

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Idiom spotlight: 废寝忘食

Chengyu origin story
Literal meaning:waste sleep forget food

Component characters

废fèito abolish
HSK 78 strokes广
View full entry
寝qǐnto lie down
13 strokes宀
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忘wàngto forget
HSK 27 strokes心
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食shíto feed
9 strokes食
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How to say to neglect sleep and forget about food (idiom) in Chinese

“to neglect sleep and forget about food (idiom)” in Chinese is废寝忘食fèiqǐnwàngshí

The idiom 废寝忘食 (fèi qǐn wàng shí) describes a state of being so engrossed in work or a task that one neglects essential needs like sleep and food. It is commonly used to express dedication or obsession, often in academic or professional contexts. The phrase carries a nuance of extreme commitment, sometimes to the detriment of one’s health.

When to use 废寝忘食

This idiom is often used in both formal and informal contexts, but be cautious about its tone when used in casual conversation, as it may imply excessive behavior. Common collocations include '废寝忘食地学习' (to study without sleep or food) or '废寝忘食地工作' (to work tirelessly). Avoid using it to describe moderate dedication, as it implies an extreme level of commitment.

What learners get wrong

Learners often misuse this idiom in less intense situations, such as saying '我今天在家里废寝忘食' (I was neglecting sleep and food at home today) when they simply had a busy day. Correct usage would involve situations where someone is truly immersed in work or study, like '他为了考试废寝忘食' (He neglected sleep and food for his exam).

Write 废寝忘食

废
寝
忘
食

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Frequently asked questions about 废寝忘食

Yes, it's often used to describe someone very focused on their work or studies, but use it carefully to avoid sounding overly dramatic.

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