to cave in
[phrase form: cave]
01
屈服, 让步
to finally agree to something, even if one were against it at first
例子
After hours of debate, they caved in and accepted the proposal.
经过数小时的辩论，他们屈服并接受了提议。
She did n't want to cave in to peer pressure, but it became challenging.
她不想屈服于同侪压力，但这变得具有挑战性。
02
塌陷, 坍塌
to collapse toward the center
例子
The roof caved in during the heavy rainstorm.
在暴雨中屋顶塌陷了。
We had to evacuate the building when the ceiling suddenly caved in.
当天花板突然塌陷时，我们不得不疏散大楼。
Cave in
01
塌陷, 坍塌
the sudden collapse of something into a hollow beneath it
