trousers

長褲、褲子英式，常用複數

He wore a white shirt and dark gray trousers to the interview.

他穿了白襯衫和深灰色長褲去面試。

褲管、褲腳常用單數作修飾語

She rolled up her trouser legs before wading into the stream.

她把褲管捲起來才走進溪裡。

當家作主、掌權英式口語

Everyone knows who wears the trousers in that household.

大家都知道那個家裡是誰在當家作主。