trouser suit
noun [ C ] UK uk/ˈtraʊ.zə ˌsuːt/ us/ˈtraʊ.zɚ ˌsuːt/ (US pantsuit)
（上衣与裤子相配的）女套装
a matching jacket and pair of trousers that is worn by women on formal occasions
She's bought a very smart trouser suit for her job interviews. 她为了求职面试买了一套漂亮的衣裤套装。