We may have to take military action.
我们可能不得不采取军事行动。
We have to set a time limit for the work.
我们得为这项工作规定个期限。
Now she won't have to go out to work any more.
现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。
