向别人了解情况，寻求专家的意见，向内行人请教。

1. I don't understand all this scientific language. I'd better go see Doctor Rogers at the medical school and pick his brain; maybe he can make it clear to me."

我是不懂这些科学名词。我还是到医学院去请教罗杰斯大夫吧，没准他能把问题给我解释清楚。

2. People all say that Mary is very smart. Yes, she is. But you have to know the reason is that she always picks other people's brains.

人们都说玛丽这个人非常聪明。是的，她确实非常聪明。但是，你们得知道她之所以聪明是因为她老是听取别人的意见。

picks other people's brains.