废寝忘食
Simplified
废寝忘食
Traditional
廢寢忘食
Pinyin
fèi qǐn wàng shí
Definition
(idiom) to skip one's sleep and meals; to be completely wrapped up in one's work
我为项目废寝忘食
Wǒ wèi xiàngmù fèi qǐn wàng shí
I'm so absorbed in the project that I skip sleep and meals
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