国语辞典脚踏两条船
双脚各踏在一条船上。比喻人投机取巧，两方讨好。如：「做人要实在，不要脚踏两条船，免得惹祸上身。」也作「脚踏两来舡」。
心意不决、犹疑难定。如：「我现在是脚踏两条船，不知如何是好。」
英语 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
© 汉典