不得不,必须做什么事儿
I've got to do something. /You've got to do something./We've got to do something.
我们必须得打扫房间,妈妈很快就回来了。
We've got to clean up the house. Mom's gonna be home any minute.
(any minute: 随时,很快,马上)
你看起来很虚弱,你得多锻炼。
You look so pale. You've got to do more exercise.
我知道这很难,但是她必须做个选择。
I know it's hard. But she's got to make a choice.