她是对付新闻界的一位老手。

She's an old hand at dealing with the press.

《牛津词典》

蒂姆是一位摄影老手，在过去13年里一直以拍摄野生动物为业余爱好。

An old hand at photography, Tim has been shooting wildlife as a hobby for the last 13 years.

《柯林斯英汉双解大词典》

击剑他是老手。

He is an old hand at fencing.

《新英汉大辞典》

The people who are in the know -know who's trustworthy as a borrower and who has a good prospect of paying it back -but if I go in there ignorantly, I'm going to get stuck with the worst stuff.

那些行家老手们,就知道哪些借款人是可信的,钱借给谁还款的把握比较大,但如果我懵然不知就把钱投进去了,就可能会落得个血本无归的结果

耶鲁公开课 - 金融市场课程节选