没日没夜。

Day and night.

没日没夜的工作对他的精力和健康消耗极大.

Working day and night is a great drain on his strength and health.

一个个都把自己整得像个陀螺, 没日没夜的转悠.

A whole have their own like a gyroscope, around the day and night.

哥哥没日没夜地打工赚钱就是为了早日还清印子钱.

Brother worked hard day and night to pay the usurer as soon as possible.

配上上百座小型炮，他们没日没夜地轰炸。

Together with more than a hundred smaller guns, they kept up a steady bombardment day and night.

仅仅是在纸堆里面没日没夜的工作是不能帮你得到晋升的。

Just being buried under piles of paper day and night is not enough for you to get promoted.

他重新振作，没日没夜地工作，让他的身体和心思无暇顾及自己。

When he regained his confidence, he worked hard day and night, slogging his body and mind just to make something out of himself.

想要升职，仅仅靠没日没夜地埋头在文件堆里是不够的。这里有一些妙招也许能让上司对你刮目相看。

Just being buried under piles of paper day and night is not enough for you to get promoted. Here are some methods to draw favorable attention from your boss.

它没日没夜地下，一直不停。

It fell night and day, without stopping.

先只是聊天，没日没夜地聊。

First they chatted on Net, days and nights.