腳踏兩隻船 [ㄐㄧㄠˇ ㄊㄚˋ ㄌㄧㄤˇ ㄓ ㄔㄨㄢˊ; jiao3 ta4 liang3 zhi1 chuan2] to have a foot in both camps to have a bet each way to be having an affair ◄ ►