・He has a [knows the] trick of winning [making others happy]. 彼は勝つ[人を楽しませる]こつを知っている.

b [pl.] (商売・玄人の)巧みなやり方, 要領, 秘訣(_ひけつ) (special skills); しきたり (convention).

・advertising tricks 広告の巧みな活用法.

・He knows the tricks of his [the] trade. 商売のこつを知っている.

5 (通例, 悪い)癖, 特徴 (habit, idiosyncrasy); (文体などの)癖, 気取り (mannerism).

・a trick of speech 言葉遣いの癖.

・tricks of expression 表情の特徴.

・tricks of style 文体の癖.

・The river has a trick of overflowing its banks. その川は氾濫しやすい.