We may have to take military action.
我們可能不得不采取軍事行動。
We have to set a time limit for the work.
我們得為這項工作規定個期限。
Now she won't have to go out to work any more.
現在她不必再出去工作了。
I'd love to come, only I have to work.
我很想去，但是我要上班。
You're going to have to give a little.
你可能非得稍為讓步不可。