pants
n[pl]
1
(a) (Brit) men´s underpants; women´s or children´s knickers (贴身的)裤衩(男用的、 女用的或儿童用的)
a clean pair of pants 一条乾净的短内裤.
(b) (esp US) trousers 长裤; 裤子.
2 (idm 习语) bore, scare, etc the `pants off sb (infml 口) bore, scare sb extremely 使某人厌烦透顶、 吓得要死等. by the seat of one´s pants => seat1. catch sb with his pants/trousers down => catch1. have ants in one´s pants => ant. in long/short pants (US) grown-up/not grown-up 成年[未成年]
I´ve known him since he was in short pants. 我从他小时候就认识他. wear the pants/trousers => wear2.