It is ridiculous for you to fool about that way.你那样地混日子实在荒唐.You shouldn't have let the children fool about / around with dangerous chemicals.你不该让孩子们胡闹摆弄危险的化学品.Why must you fool about all day?为什么你要整天胡混?...

无所事事...

fool about的音标：fool about的英式发音音标为：[fu:l ə'baut]fool about的美式发音音标为：[ful ə'baʊt]...