1·I am very sorry indeed for my foolish and ungrateful conduct.
我实在为我的愚蠢和忘恩负义的行为感到非常抱歉。
2·"I'm an ungrateful beast, I know," sobbed Toad, shedding bitter tears.
“我知道,我是个忘恩负义的畜生。”癞蛤蟆托德抽泣着,流下了苦涩的眼泪。
3·I would be an ungrateful wretch if I didn't tell you at least once that it was you who brought some meaning back into my life.
如果我一次也不跟您说:是您给我的生命带来了新的意义,那我可就是个忘恩负义的坏蛋了。
4·Her family is ungrateful and spiteful. When Maggie buys them a house, her mother flies off the handle, worried that her welfare scam will be ruined.
她有一个忘恩负义、怀恨于心的家庭。麦琪给家里买了一套房子,但她妈妈却因为担心自己的诈骗救济会败露而大发雷霆。
5·He's an ungrateful so-and-so.
他是个忘恩负义的家伙。
—— 《牛津词典》