dilemma/dɪˈlemə, daɪ-; də`lɛmə, daɪ-/ n1 situation in which one has to choose between two undesirable things or courses of action 进退两难的窘境; 进退维谷的困境 be in/place sb in a dilemma 陷入[置某人於]进退两难之境.2 (idm 习语) on the horns of a dilemma => horn.
牛津英汉双解词典