preposition, verb, idiom, noun · a comparison marker used to indicate that one thing has more of a quality than another

今天的天气比昨天好。

verb, noun · the mathematical relationship between two quantities or the score in a match

做面包时，面粉和水的比例通常是二比一。

verb, noun, preposition · to compare things or compete in a contest

我们来比一比谁的汉字写得更漂亮。

abbreviation · abbreviation for Belgium or Belgian

中比两国友谊深厚。

verb · to use hand movements to indicate size, shape, or meaning

他向我比了一个胜利的手势。

verb · euphemistic variant of 屄 bī

你这个大傻比！