1. P 〈英〉（紧身的）短衬裤；内裤　men's underpants; women's or children's knickers
2. P 〈美〉裤子　trousers

　当pants作主语时谓语动词应用复数形式，当a pair of pants作主语时，谓语动词应用单数形式。

　match the ～　与裤子很配
　scare〔frighten〕the ～ off sb　把某人吓得魂不附体
　wear the ～　当家，掌权
　have ants in the ～　烦恼，不安
　with one's ～　处境尴尬，出其不意地

　He rushed out in pants.　他穿着内裤就冲出来。
　The pants are in the drawer.　裤子在抽屉里。
　My new pair of pants is being altered.　我的新裤子正在修改。

 ♣ by the seat of one's pants
　凭直觉而不是仔细思考　by instinct rather than careful thought
　It's dangerous for a leader to run the country by the seat of his pants.　领导人凭个人的直觉或经验去治理国家是很危险的。
 ♣ in short pants
　未成年　not grown up
　I've known him since he was in short pants.　我从他小时候就认识他。
 ♣ wear the pants
　当家，掌权　be the dominant person in a relationship especially a marriage
　Mr. Jay wears the pants in that family.　那家由杰伊先生当家。
　Anyone can tell that she wears the pants in that family.　任何人都看得出她是那个家庭中掌权的人。

 ♣ pants, bloomers, jeans, trousers
　这组词都可表示“裤子”。pants为pantaloons的缩略语，在英式英语中指男用内裤和女用外裤，在美式英语则指男、女外裤；trousers为“裤子”的统称，无男女老幼或职业之分，但专指外裤属英式英语，美式英语多用pants; bloomers指19世纪后半叶欧洲和美国妇女所穿的及膝的宽松短裤，曾为骑车人所喜爱，但现在只有中小学女学生穿；jeans指牛仔裤，原为工作裤，男、女、儿童在非正式场合都可以穿。