進しん退たい両りょう難なんしんたいりょうなんMeanings1nounbetween a rock and a hard place; driven to the wall; in a dilemma with no good optionsyojijukugo (four-character idiom)›A yojijukugo describing a situation where one can neither advance nor retreat, caught in a difficult dilemma.彼かれは進しん退たい両りょう難なんの