尔 ㄦ ˇ ěr 虞 ㄩ ˊ yú 我 ㄨㄛ ˇ wǒ 诈 ㄓㄚ ˋ zhà 爾 ㄦ ˇ ěr 虞 ㄩ ˊ yú 我 ㄨㄛ ˇ wǒ 詐 ㄓㄚ ˋ zhà 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