smart as a whip

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释义
adj.聪明的
having or marked by unusual and impressive intelligence

例句
Frank:Lip, smart as a whip.Straight "A"s and the honor roll. Boy's definitely going somewhere. (Shameless)
弗兰克：利普，脑瓜子好使。各科全优还上了光荣榜。那孩子绝对有前途。（无耻之徒）