人-129 们 [們] (后缀) ① used after a singular personal pronoun or a noun to show plural number

们   们是形声字。人为形符；门为声符。们是指人的多数。们为词之后缀，附于人称代词或指人名词之后，表示复数。  

men

们 [們] (后缀) ① used after a singular personal pronoun or a noun to show plural number② 们 is not used when the pronoun or noun is preceded by a numeral or an intensifier