He was court-martialed for improper conduct and left the navy with a dishonorable discharge.他因行为不端而受到军事法庭的审判，被开除军籍，离开了海军。Her military career ended with a dishonorable discharge. 她的军旅生涯最终以被开除军籍告终。His dishonorable behavior has shamed the family.他的可耻行为令全家蒙羞。George has made himself cheap by his dishonorable behaviour.乔治品行不端，使自己名声扫地。