n (1) 傻瓜，蠢(stupid，silly or thoughtless person) [C](derog)：be a～to bother about sb/to believe sb 为某人操心/相信某人真是一个傻瓜;She was sharp-witted and no～. 她很聪明，一点也不傻。be～enough to do sth 做某事真是太傻了;April Fool 愚人节时受愚弄的人;April Fool's Day 愚人节;

(2) (供取乐的)小丑(person employed by kings，nobles，etc to amuse them) [C](fml)：The king relied on his～for wise counsel. 国王靠他的弄臣提供有见解的报告。

be no fool (= be nobody's fool) 不轻易上当：She was nobody's～and refused to pay such a price for the dress. 她是不会轻易上当的，因此不肯以这样的价钱买那件衣服。

act/play the fool 瞎胡闹：He loves playing the～with his grandchildren. 他喜欢和他的孙儿们打闹。

make a fool of oneself 出洋相，干蠢事：He had never learned to dance and was not prepared to make a～of himself. 他从未学过跳舞，不准备出洋相。

make a fool of sb 捉弄;欺骗：Mary's classmates made a～of her by telling her the party was to be a masquerade. 玛丽的同学们捉弄她，告诉她晚会是化装舞会。

→′foolish adj;

v (1) 1) 做蠢事(act like a fool or playfully) [I，I+adv (about/around)]：Every time I see him， he seems to be～ing. 每次我见到他时，他似乎都在做傻事。Don't～around(about) with that gun/that knife. 别瞎摆弄那枝枪/那把刀。2) 开玩笑(joke;be not serious) [I]： I'm not～ing;I'm serious. 我不是在开玩笑，我是认真的。～with sb's affections 玩弄某人的感情;

(2) 欺骗(deceive or cheat sb) [T+n]：～sb with one's story/one's false promises/one's fancy talk 用故事/虚伪的许诺/空谈欺骗某人;～sb out of his money 骗取某人的钱;～sb into believing 骗取某人相信……;〖同〗cheat，deceive;

fool about/around (v adv)无所事事(vi)：Stop～ing about/around and do sth useful. 别整天无所事事，做一点有用的事情。

adj 愚蠢的(foolish，stupid) [作attrib][无comp](infml)：some～kids 一些愚蠢的孩子：a～trick 愚蠢花招