更重要的是，在夏天，我们不得不用手工扇来祛热。

What's more, in summer, we had to use hand-made fans to makeour temperature down.

youdao

更重要的是，在夏天，我们不得不用手工扇来祛热。

What's more, in summer, we had to use hand-made fans to make our temperature down.

youdao

我不得不用力开那一扇门。

I had to use force in opening the door.

youdao

Suppose standing on the bridge next to the fat man, I didn't have to push him, suppose he was standing over a trap door that I could open by turning a steering wheel like that.

假设我站在桥上，胖子就在我旁边，我不用去推他，假设他踩在一扇活板门上方,而活板门可以通过转动方向盘来开启。

耶鲁公开课 - 公正课程节选