老手

He's an old soldier at that sort of thing.

他是那一行老手。

The baseball veteran loved to coach young players.

这位棒球老手喜欢指导年轻选手。

The old factory hand treat the tenderfoot like their slave.

工厂里老手拿新手当奴隶般对待。

Pete’s an old hand at negotiating our contracts—he’s been at the firm nearly twenty years, so he knows all the procedures.

皮特可是合同谈判老手，他在公司里呆了将近二十年了，熟悉所有程序。