1.坍塌;塌陷
2.屈服;让步
1.if a roof or wall caves in, it falls down or inwards
2.to suddenly stop opposing something, especially because people have persuaded you
1.After a time, I found a little cave in the side of a hill. In front of it, there was a good place to make a home.
这了不久，我在小山的一侧找到了一个小洞穴，在它前面，是一个安家的好地方。
2.If it was seen to cave in to EU political pressure a second time, the blow to its credibility could prove terminal.
如果再次屈从于欧盟的压力，对其信用的打击可以说是永久的。
3."People expected me to cave in, but once I held my ground, it was the beginning of a whole new chapter, " he says.
他说：“人们以为我会放弃，但是，当我一旦坚持下来，一个完全崭新的篇章就开始了。”
4.Whenever he wanted anything to eat, all he had to do was to come up out of his cave in the stones and earth and roar.
无论什么时候，只要他想吃东西，他所做的就是走出石头中的洞穴，朝脚下的土地咆哮。
5.With a few strikes on her keyboard, Frick was able to call up daily radar data that covered a bat cave in Texas.
随着弗里克在键盘上敲击着字母，它能够调出一个德克萨斯蝙蝠洞的日常雷达数据。
6.She scrabbles at them but, as she scrapes, the sides cave in on top of her hands. The hole remains shallow.
她试着将它们刮到一起，但当她刮的时候，两侧的石子就会塌落在她的手上，洞还是很浅。
7.Local media said the cave-in may have been sparked by work on an underground train line, though authorities could not confirm this.
当地媒体称，倒塌与地铁施工有关，但尚未得到有关部门证实。
8.Hunted early humans have to understand food, make fire, clothing, cave, in a variety of environments the competition for survival.
早期的人类已懂得猎取食物、取火、制衣、穴居，在各种环境中进行着生存竞争。
9.Phoebe: I remember the day I got my first pay check. There was a cave in in one of the mines, and eight people were killed.
我还记得我第一次领薪水的那天，矿井塌方了，那一次死了八个人。
10.Summer remains mysterious all through the film, perhaps because we persist with Tom in expecting her to cave in.
莎莫如同一个无法猜透的谜语贯穿全片，可能是因为我们与汤姆一样太执着于等她回心转意了吧。