He is a tough negotiator. We did not expect to find him a pushover and he has not been one.

他是个难缠的谈判者。我们没有期望着能轻易将他说服，而他也证明了这一点。

That guy is a tough negotiator.

那个家伙是一个很难对付的谈判手。

That guy, his a tough negotiator.

那个家伙是一个很棘手的协商者。

A tough negotiator who had a number of CARDS up his sleeve.

谈判高手总有数张王牌在手。

A tough negotiator often has a number of cards up his sleeve.

一个厉害的谈判专家总有很多杀手锏。