bide your time
US /baɪd jʊər taɪm/
UK /baɪd jʊər taɪm/

1.
等待时机, 伺机而动
to wait patiently for a good opportunity to do something
:
•
She decided to bide her time until the perfect moment to ask for a raise.
她决定等待时机,直到最佳时机才要求加薪。
•
The chess player knew he had to bide his time before making his winning move.
这位棋手知道他必须等待时机才能走出制胜一步。