(1) 聚会(an affair or a festivity， esp a party)[C](BrE)(infml)：Was their wedding a big～? 他们的婚礼是一次大型聚会吗?〖同〗party;

(2) 欺骗(诈)(cheat; dishonest trick) [C](BrE)(sl)：The whole thing is a～. 这整个是一场骗局。

do's and don'ts 规(准)则：If you want to lose weight， I can give you a list of～'s and～n'ts. 你要是想减肥的话，我可以给你提供许多规则。