between a rock and a hard place 左右为难

当你身处于岩石与硬壁之间 between a rock and a hard place, 那么你面对棘手问题，让你左右为难或进退两难。

例句

Bill couldn't make up his mind what to do. He was caught between a rock and a hard place.

The interview candidates were all so good that Jenny was caught between a rock and a hard place over who to hire.

The government is stuck between a rock and a hard place over how it will make significant cuts to the budget.

请注意

短语 steady as a rock 意思是非常稳定，不可动摇， 坚如磐石

The pressure was immense, but he was steady as a rock when he took the last throw of the game.