Hanzi
没日没夜
没日没夜
没日没夜
没日没夜
没日没夜
没日没夜
没日没夜
没日没夜
没日没夜
没日没夜

méi没rì日méi没yè夜

To work or do something incessantly, day and night, without rest, often implying great effort.

为了完成这个项目，团队成员们没日没夜地工作
To complete this project, the team members worked incessantly day and night.

Era:

Modern

Frequency:

Synonym:

夜以继日、非日非月

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