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Open the tool →日旰不食 (rì gàn bù shí) is a Chinese idiom (chengyu) meaning “to be so engrossed in one's work or study that one forgets to eat, often until late in the day; to work or study diligently and selflessly”.
日旰不食 is pronounced rì gàn bù shí in Mandarin Chinese.
Literally, 日旰不食 means “not eat until dusk”. It is used to mean “to be so engrossed in one's work or study that one forgets to eat, often until late in the day; to work or study diligently and selflessly”.
形容专心致志,勤勉不懈。同“日旰忘食”。