moral/ethical/political dilemmas 道德/伦理/政治困境

in a dilemma (over sth) I’ m in a dilemma over whether to tell him or not. 我进退两难，不知道是否该告诉他。

face a dilemma We now face an embarrassing dilemma: Should we stay or go? 我们现在面临着一个进退两难的窘境：我们该留下来还是离开呢？