Definition
To decide to stop an activity, typically in the evening or at night, often in order to go to bed or rest.
今晚到此为止
I've been working all day; I think it's time to call it a night.
我已经工作一整天了；我想是时候该休息了。
Although we were still playing games, we decided to call it a night because it was getting late.
虽然我们还在玩游戏，但因为时间已经很晚了，我们决定休息。
After a long and tiring meeting, we decided to call it a night and head home.
经过漫长而疲惫的会议后，我们决定休息并回家。