She had to tolerate him against her will for the rest of her life because at the moment of truth she lacked the courage to go through with her inner determination to drown him in the bathroom cistern.

她不得不在余生中违背自己的意愿忍受他，因为在关键时刻，她没有勇气去完成内心的决心，把他淹死在浴室的水槽里。