对成年男子的尊称。仿“女士”而成gentleman; gentlemen(plural)

• 母亲不安地瞅瞅在座的两位男士。

  One's mother uneasily eyed the two gentlemen present.

• 售货员告诉她保暖内衣型号偏小，男士要3XL以上型号才能穿。

  The sales assistant told her that the size of the thermal underwear was a little small, and that men would only fit a 3XL size or larger.