Be on the horns of a dilemma and Hang back

Hang back and be on the horns of a dilemma are semantically related. In some cases you can use "Hang back" instead a verb phrase "Be on the horns of a dilemma".

Hang back verb - To show uncertainty about the right course of action.

Be on the horns of a dilemma and hang back are semantically related. You can use "Be on the horns of a dilemma" instead a verb "Hang back".