/dɪˈlemə/

N-COUNT A ~ is a difficult situation in which you have to choose between two or more alternatives. 进退两难的局面; He was faced with the ~ of whether or not to return to his country;

dilemma /dɪˈlemə/ He was faced with the dilemma of whether or not to return to his country. A situation in which a difficult choice has to be made between two or more alternatives, especially equally undesirable ones;