He's something money can't buy. 他是个金不换。
He's quite a guy, good at everything. 他很了不起，样样精通。 He's a walking encyclopedia. 他是一部活的百科全书。
He always has a quick comeback. 他反应敏捷。 He's quick. 他的脑筋转得快。
He's witty. 他很精。
He's a fast learner. 他是快速的学习者。 He picks things up quickly. 他学什么都很快。
