一問三不知 [ㄧ ㄨㄣˋ ㄙㄢ ㄅㄨˋ ㄓ; yi1 wen4 san1 bu4 zhi1] lit. to reply "don't know" whatever the question (idiom) fig. absolutely no idea of what's going on complete ignorance ◄ ►
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