爾虞我詐 [ㄦˇ ㄩˊ ㄨㄛˇ ㄓㄚˋ; er3 yu2 wo3 zha4] lit. you hoodwink me and I cheat you (idiom); fig. mutual deception each tries to outwit the other dog eats dog and devil take the hindmost ◄ ►
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