ㄐㄧㄠˇjiǎoㄊㄚˋㄌㄧㄤˇliǎngㄊㄧㄠˊtiáoㄔㄨㄢˊchuán

脚踏两条船
  1. 比喻為了投機取巧自己留後路而立不定對立雙方主動親近 腳踏兩條船一邊總得!」。

  2. 比喻同時對象交往 情感專一不會腳踏兩條船」。

lit. to stand with each foot in a different boat (idiom)​, fig. to have it both ways, to run after two hares, (especially)​ to have two lovers at the same time