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.
板挟みになる, 進退両難に陥る
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.
私は板挟みです。給料が減るか、仕事を失うかのどちらかです。
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The company found itself between a rock and a hard place when faced with rising costs and declining sales.
会社はコスト上昇と売上減少に直面し、板挟みの状態に陥った。