Ⅰ数词 (五的大写) five (used for the numeral 五 on cheques, banknotes, etc. to avoid mistakes or alterations) Ⅱ名词 1.(古代军队的最小单位) the basic five-man unit of the army in ancient china 2.(泛指军队) army 短语和例子 入伍 join the army; 退伍 retire from military service3.(同伙的人) company 短语和例子 羞与为伍 be ashamed of sb.'s company4.(姓氏) a surname 短语和例子 伍子胥 wu zixu