a.

1. 三倍的，三重的
   His wage is treble mine.

   他的薪資是我的三倍。

2. 【音】最高聲部的；唱（或奏）最高聲部的[B]
3. 高音的，尖聲的[B]
   James has a fine treble voice.

   詹姆斯有一副悅耳的高音嗓子。

n.[C]

1. 三倍，三重；（一杯）三倍分量的酒
2. 最高聲部；最高聲部歌手；最高聲部樂器
3. 高音，高聲；尖銳聲

vt.

1. 使成三倍
   He has treble his income during the last few years.

   在過去幾年中他的收入已增加了兩倍。

vi.

1. 變成三倍

adj.

1. consisting of three parts.
2. multiplied or occurring three times.

predet.

n.

1. Brit. three sporting victories or championships in the same season, event, etc.
2. Darts  a hit on the narrow ring enclosed by the two middle circles of a dartboard, scoring treble.
3. Brit. a system of betting in which the winnings and stake from the first bet are transferred to a second and then (if successful) to a third.
4. a thing which is three times larger than usual or is made up of three parts.

pron.

v.

n.

1. a high-pitched voice, especially a boy's singing voice.
2. [as modifier] denoting a relatively high-pitched member of a family of instruments.
   ▸ (also treble bell) the smallest and highest-pitched bell of a ring or set.
3. the high-frequency output of a radio or audio system, corresponding to the treble in music.