measure word, noun · classifier for sets, collections, suits, or apartments

我买了一套新西装。

measure word, verb, numeral, directional · a specific way of behaving, speaking, or acting, often implying a set routine or persona.

他总是用那一套来应付上级。

verb · to overlap, interleave, or wear one thing over another

毛衣外面又套了一件大衣。

noun · a bend of a river or mountain range, used in place names

河套平原物产丰富。

verb · to fish for information or obtain something via trickery or cleverness

他想套出我的心里话。

noun · a harness, loop of rope, or to hitch up an animal

把马套上车。

noun · the Greek letter Tau (Τ, τ)

在数学公式中，我们常用希腊字母套来表示常数。

idiom · to model after, copy, or apply a fixed formula

写文章不能生搬硬套。

noun, verb · to cover, encase, or a sheath/cover

他在书上加了一个书套。