Definition
这是一个成语，字面意思是“顾不上睡觉，忘了吃饭”，用来形容对工作、学习或某件事极其专注、投入，甚至忽略了基本生活需要。常带有褒义，但也可用于提醒别人注意休息。
phrase
to be so absorbed in something that one neglects eating and sleepingto work or study tirelessly
Examples
- ，废寝忘食。Tā wèile gāokǎo, fèi qǐn wàng shí de xuéxí le hǎo jǐ gè yuè.She studied tirelessly for months for the college entrance exam.
- 废寝忘食，。Zhè wèi zuòjiā xiě xiǎoshuō shí chángcháng fèi qǐn wàng shí, zhídào xiě wán cái xiūxi.This writer often forgets to eat and sleep while writing novels, only resting after finishing.
- 废寝忘食，。Bié fèi qǐn wàng shí le, shēntǐ zuì zhòngyào.Don't neglect your meals and sleep — health is the most important.
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