early 14c., from over- + night (n.). Originally "on the preceding evening;" sense of "during the night" is attested from 1530s. Meaning "in the course of a single night, hence seemingly instantaneously" is attested from 1939.
实用例句
1. There were two bomb explosions in the city overnight.
一夜之间城里发生了两起炸弹爆炸事件。
来自柯林斯例句
2. "Wait a damn minute," Mindy spat. "Nobody said anything about staying overnight."
“该死的,等一下”,明迪愤愤地说道,“谁也没说过要过夜。”
来自柯林斯例句
3. The supply of money in circulation was drastically reduced overnight.
流通领域的货币供应量一夜骤减。
来自柯林斯例句
4. An overnight stay at a friend's house disorients me.
在朋友家过夜让我觉得晕晕乎乎的。
来自柯林斯例句
5. The war began with overnight air raids on Baghdad and Kuwait.