be on the horns of a dilemma

US /bi ɑn ðə hɔrnz əv ə dɪˈlɛmə/
UK /bi ɑn ðə hɔrnz əv ə dɪˈlɛmə/
"be on the horns of a dilemma" picture
1.

ジレンマに陥る, 板挟みになる

to be in a situation in which you have to make a choice between two things, both of which are unpleasant or difficult

:
She found herself on the horns of a dilemma: either she missed her flight or she missed her sister's wedding.
彼女はジレンマに陥った:飛行機に乗り遅れるか、妹の結婚式を欠席するか。
The government was on the horns of a dilemma, facing public outcry no matter which decision it made.
政府はジレンマに陥っていた。どのような決定を下しても国民の抗議に直面するからだ。