“废寝忘食”,汉语成语,字面意思是顾不得睡觉,忘记了吃饭。形容非常勤奋专心。可以翻译为“(be so absorbed and occupied as to)forget all about eating and sleeping或skip one’s meals and sleep”。
例句: - 废寝忘食地工作 - Devote oneself heart and soul to one’s work - 有时她甚至废寝忘食,一直工作到深夜。 - Sometimes she even forgets to eat and rest and works until late night.