N-COUNT
（進退兩難的）窘境，困境
A dilemma is a difficult situation in which you have to choose between two or more alternatives.
例句
He was faced with the dilemma of whether or not to return to his country...
要不要回國，他進退兩難。
The issue raises a moral dilemma.
這個問題引發了一個道德上的兩難抉擇。