If you describe someone as ungrateful, you are criticizing them for not showing thanks or for being unkind to someone who has helped them or done them a favour.
例句
I thought it was rather ungrateful...我觉得这样做有些忘恩负义。You ungrateful brat.你这个没良心的小坏蛋。
英汉词典释义
adj.
不感激的;不领情的;忘恩负义的
I won’t give her any more if she’s ungrateful.要是她不领情,我就再也不给她了。I can’t believe he didn’t even say thank you.How ungrateful can you get?他甚至连谢谢都没说,真让人难以相信。一个人怎么可能这么忘恩负义呢?
讨厌的,令人不快的
an ungrateful task一项吃力不讨好的任务
英英词典释义
Adjective
1. not feeling or showing gratitude;
"ungrateful heirs""How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
2. disagreeable;
"I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln