late 14c., "card, die, or domino with three spots," from Anglo-French, Old French treis (Modern French trois), oblique case of treie "three," from Latin tria (neuter) "three" (see three). In slang use for "three (of anything)" from 1887.
实用例句
1. Trey is an expert in industrial relations.
崔是个劳资关系的专家.
来自互联网
2. If somebody gave Gilbert Arenas a water bottle, he could swish a game - winning trey with it.