南箕北斗 [ㄋㄢˊ ㄐㄧ ㄅㄟˇ ㄉㄡˇ; nan2 ji1 bei3 dou3] the Winnowing Basket in the southern sky, and the Big Dipper in the north (idiom); sth which, despite its name, is of no practical use ◄ ►
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