The roof of the tunnel caved in.

隧道的顶部塌陷了。

The roof is dangerous and could cave in at any time.

屋顶很危险,任何时候都可能坍塌。

The mine which caved in during the earthquake was soon repaired and resumed production.

在地震中坍陷的矿井很快修复了,并恢复了生产。

Who has caved my hat in?

谁把我的帽子弄塌下去了?

They caved in the roof of the underground passage with powerful explosives.

他们用强大的炸药把地下通道的顶部炸塌陷了。

Why do you want to appoint this man as manager?The last firm he worked for caved in.

你为什么要任命此人为经理?他所服务的前一个商行倒闭了。

The children begged their father to take them to the circus until he caved in.

孩子们请求父亲带他们去看马戏,直到他让步为止。

As we set forth facts and reasoned things out the criminal could not but cave in and admit his crime.

由于我们摆事实、讲道理,那个犯罪分子不得不低头认罪。

They refused to cave in to the terrorists' demands.

他们拒绝向恐怖分子的要求屈服。

The opposition caved in before our superior argument.

反对者在我们强有力的辩论之下屈服了。

The challenger caved in during the seventh round.

竞争进入第七轮那位挑战者就一蹶不振了。