On their own they work well, but in ( ) they're a disaster. 怎么翻译?

问题描述:

On their own they work well, but in ( ) they're a disaster. 怎么翻译?
On their own they work well, but in ( ) they're a disaster. 怎么翻译?括号中填的是 : combination请问这句话怎么翻译 还有词组: in combination 怎么翻译?高手上.

在自己的工作出色,但在()他们是一场灾难
combination 组合
in combination结合