in the depth of night

• adv. 在深夜

in the depth of night的用法和样例：

例句

用作副词 (adv.)

1. He left his home in the dead of night.
   他在深夜离开了家。
2. He has a regular slot on the late-night programme.
   他在深夜节目中有一档固定栏目。