道义

I’m morally under obligation to do the best I can by her.

上有责任尽量善待她。

I felt morally obliged to do the best I could for her.

上感觉必须尽所为她效劳。

Tom refused to join the army, believing that he had no moral right to kill.

汤姆认为自己上无权杀人而拒绝入伍。

He deceived us into believing that he could give us moral support.

他骗得相信他给上的支持。

"What you did wasn't actually against the law, but it was morally wrong."

"你所做的事并未真正触犯法律,但上是错误的。"

Your action contrast with your principles.

你的行为和对比时就显示出差别。