指手劃腳 [ㄓˇ ㄕㄡˇ ㄏㄨㄚˋ ㄐㄧㄠˇ; zhi3 shou3 hua4 jiao3] to gesticulate while talking (idiom); to explain by waving one's hands to criticize or give orders summarily also written 指手畫腳 ◄ ►
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