Definition
To obtain information about someone previously unknown or unfamiliar.
打听或了解某个不熟悉的人的相关信息。
We need to get a line on the new manager before deciding whether to support his proposal.
我们需要先打听一下新经理的背景，再决定是否支持他的提案。
She tried to get a line on the mysterious artist, but found no useful information.
她试图打听这位神秘艺术家的信息，但没有找到有用的资料。
Before hiring a private investigator, we should try to get a line on this person ourselves.
在雇用私家侦探之前，我们应该先自己试着打听一下这个人的信息。