1. 名詞
   傻子, 傻瓜
   蠢人, 蠢蛋
   白痴, 受騙者
   蠢材, 呆子
   凱子, 愚人
   愚夫, 愚婦
   弄臣, 小丑
   /此名詞複數為"fools"/
   可數名詞:
   an April fool/
   

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   同義字詞
   booby,cuckoo,featherhead,goose,half-wit,lunatic,mooncalf,nincompoop,ninny,ninnyhammer,nitwit,nut,simpleton,turkey,yo-yo
   jester,motley
   addict,aficionado,afficionado,buff,bug,devotee,enthusiast,fan,fanatic,fancier,fiend,freak,habitué,habitue,head,hound,junkie,junky,lover,maniac,maven,mavin,nut,sucker
   

2. 動詞
   不及物動詞:
   開玩笑, 胡鬧
   演滑稽角色
   及物動詞:
   愚弄...(人)
   騙得過...(人)
   欺騙...(人)
   fool around/about:
   鬼混
   幹蠢事
   

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   同義字詞
   bamboozle,beguile,bluff,buffalo,burn,catch,con,cozen,deceive,delude,dupe,fake out,gaff,gull,have,hoax,hoodwink,humbug,juggle,misguide,misinform,mislead,snow,spoof,string along,take in,trick
   banter,chaff,fun,gag,jape,jest,jive,joke,jolly,josh,kid,quip,wisecrack
   

3. 動詞片語連結
   make a fool of ...(人)/
   make a fool out of ...(人):
   把...弄得像個傻瓜
   讓...出洋相
   讓...顯得愚蠢至極
   讓...出糗
   擺...一道
   play ...(人) for fool:
   愚弄...
   take ...(人) for a fool:
   

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4. 成語
   No fool like an old fool/
   There is no fool like an old fool:
   最傻的是老傻瓜
   Fool me once, shame on you. Fool me twice, shame on me:
   騙我一次，是你可恥。騙我兩次，可恥的是我
   騙我一次，是你不要臉。騙我兩次，我就是個傻子
   騙我一次，是你可恥。騙我兩次，只能怪我自己
   被你騙一次，你應感到羞恥。再被你騙一次，那只能怪自己笨
   

例句

1. But they should fool no one!
2. Damn fool man, damn fool man.
3. More fool us. 'TWAS not to be.
4. We all knew Di Canio was no fool .
5. This weak fool shall be our undoing!
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