v. 洞穴探险；塌落；倒坍（cave 的过去式和过去分词）
1.The floods caved in that dike.
洪水冲坍了那座堤坝。
2.Wouldn't it just be the worst thing, though, if the house caved in while I slept?
他心想：“最坏的事情也不会是在我睡觉的时候整个房子陷入地下吧？”
3.The Guardian thinks ministers have "caved in."
卫报认为大臣们已经“接受”了。
4.They begged their teacher to take them to the park until she caved in.
他们央求老师带他们去公园，直到她答应才罢休。
5.My colleague had gone back up to the truck to get some tools, and 30 seconds later the trench caved in on me.
我的同事回到卡车上去拿些工具，30秒后沟塌了，土压在我身上。
6.I had caved in after a short struggle when she threatened to send me away and withhold herself.
经过短暂的斗争后，当她威胁要我走开并拒绝跟我在一起时，我就已经屈服了。
7.Another macho motor brand has caved in already, with Porsche unveiling a hybrid model at the Swiss show.
另一代表品牌已经沦陷了，保时捷在瑞士车展上发布了一款混合动力车。
8.The walls of the elevator caved in; they fell on a couple people.
电梯的墙壁塌陷进来，压在几个人身上。