He could not divest himself of the suspicion that his wife was being unfaithful.
他无法消除自己的疑心，总觉得妻子不忠。
The discovery that her husband was unfaithful to her was a rude (ie shocking) awakening.
她发觉丈夫对自己不忠而猛醒。
He is in a sense being unfaithful to his wife.
在某种意义上他对妻子不忠。
