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废寝忘食

fèi qǐn wàng shí
HSK 3.0 Level 7 Rare

Definitions

  1. 1. to neglect sleep and forget about food (idiom)
  2. 2. to skip one's sleep and meals
  3. 3. to be completely wrapped up in one's work

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Word relationships

Related words

3 items
夜以继日
yè yǐ jì rì

night and day (idiom); continuous strenuous effort

形容日夜不停地工作或学习
不眠不休
bù mián bù xiū

without stopping to sleep or have a rest (idiom)

形容不睡觉不休息地持续做某事
全神贯注
quán shén guàn zhù

to concentrate one's attention completely (idiom)

形容注意力高度集中

Synonyms

1 item
专心致志
zhuān xīn zhì zhì

with single-hearted devotion (idiom)

形容非常专注地做某事

Usage notes

Collocations

Often used with verbs like 工作 or 学习 to describe being absorbed in work or study, e.g., 他废寝忘食地工作。

Common mistakes

This idiom is for positive absorption, not neglect of duty; don't use for irresponsible behavior like 他废寝忘食地玩游戏.

Example Sentences

1 shown
他 废寝忘食 地学习，终于考上了大学。
He studied so hard that he neglected sleep and meals, and finally got into university.

AI-generated examples are marked with this icon.

Child Words of 废寝忘食

废
fèi

to abolish

忘
wàng

to forget

寝
qǐn

to lie down

食
shí

to eat

食
sì

to feed (a person or animal)