1.unforeseen adj. 无法预料的
例句:Unfortunately, due to unforeseen circumstances, this year's show has been cancelled.
遗憾的是,由于意外情况,今年的演出已被取消了 。
2.fall through 落空
例句:What do you think are the chances this project will fall through?
你认为这个项目失败的可能性有多大?
[qh]