lose sleep and forget to eat from anxiety, etc.；disregard meal times and go without sleep；do sth. almost to the gross neglect of one's health, losing sleep and weight；forget all about eating and sleeping；
例句
她曾經為了自己的事業而孜孜不倦，廢寢忘食。
But once for own enterprise diligently, neglected to eat and sleep.
製作模型火車是他廢寢忘食的愛好。
Building model trains is his consuming passion.
經常發現史密斯先生在廢寢忘食地工作。
Mr. smith was always found in business; neglecting his meals and sleep.
他工作勤奮，經常廢寢忘食。
So diligently does he work that he often forgets to eat and sleep.
他常常聚精會神地做工作，這時他會廢寢忘食。
When deeply absorbed in work, which he often was, he would forget all about eating and sleeping.
他專心致志於這項工作，到了廢寢忘食的地步。
Absorbed in the work, he neglected food and sleep.
這本書如此有趣，竟使他廢寢忘食。
The book is so interesting that it takes complete possession of him.
這本小說非常引人入勝，她一口氣讀了下去，甚至廢寢忘食。
The novel was so absorbingthat she read on without a break even forgetting food and sleep.
實際上，我讓他們簽了一份表格，聲明你將會積極工作，廢寢忘食。
I actually have them sign a form saying you will be running, you willskip meals, you will not get sleep.
當他們參與一些有趣的事情的時候可能廢寢忘食。
When involved in something interesting they can completely forget that they need to eat.
創新型主要以自我擴充為核心，為應付難關廢寢忘食，成功企業大多數屬於這種類型。
Innovative self-expansion as the main core of sleepless nights to ride out the storm, the majority of successful enterprises belong to this type.
成語:廢寢忘食