be (caught) between a rock and a hard place
US /bi kɔt bɪˈtwin ə rɑk ænd ə hɑrd pleɪs/
UK /bi kɔt bɪˈtwin ə rɑk ænd ə hɑrd pleɪs/

1.
进退两难, 左右为难
to be in a difficult situation where you have to choose between two equally unpleasant or undesirable options
:
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I'm between a rock and a hard place; either I take a pay cut or I lose my job.
我进退两难;要么接受减薪,要么失去工作。
•
The company found itself between a rock and a hard place when faced with rising costs and declining sales.
面对成本上升和销量下降,公司发现自己进退两难。