call it a day
原文解釋: to decide to stop working. especially because you have done enough or you are tired
中文解釋: 今天就到此為止, 或結束一天的工作
A. It almost 10pm. Let's call it a day and finish the rest tomorrw.
B. Finally, I was dying to go home.
A. Do you think we can call it a day?
B. Sure, see you tomorrow.
A. After forty years in politics he thinks it ' s time to call it a day .