pick someone's brains
剽窃
A:I have no idea about what to do next.
A:我不知道下一步该怎么办了。
B:Maybe you can pick Mary's brains now. She knows a lot about stocks.
B:也许你可以挖挖玛丽脑筋里的东西,她对股票很在行。
A:Let me have a try.
A:我去试试吧。