介于两难

to be on the horns of a dilemma (idiom)

to introduce / to lie between / between / shell / armor

between / intermediate / to lie between

to go / to take / sentence-final interrogative particle / variant of 於|于[yu2]

(of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by

two / both / some / a few / tael, unit of weight equal to 50 grams (modern) or 1⁄16 of a catty 斤[jin1] (old)

dilemma / quandary / to face a difficult choice

difficult (to...) / problem / difficulty / difficult / not good

disaster / distress / to scold