trebles

adj.三倍的；最高音部的；三重的

v.（使）成三倍

n.三倍；最高音部

The chairman has already indicated his aim for the club this season and wants nothing less than the treble. 主席有已经为俱乐部这季节和需要无指出他的目标少于那最高音部。

There was a treble knock at the door. 有人在门上敲了三下。

He has treble his income during the last few years. 在过去几年中他的收入已增加了两倍。

Profits in our company have trebled in the last two years. 我们公司的利润在这两年中增长成以前的三倍。

The house is worth treble what they paid for it. 这房子值他们所付价钱的三倍。

He sings treble. 他唱最高音部。