不得不做

She nagged him into doing what she wanted.

她向他唠叨, 使他去她所要的事。

United will be forced to make several positional changes.

联一些位置变化。

Time to prepare was a luxury he would have to forgo.

因为时间够，他放弃准备工作。

Circumstances oblige me to do that.

情况使我那样。