be ungrateful

• 忘恩负义

be ungrateful的用法和样例：

例句

1. We are indeed ungrateful spoiled children of God.
   我们真是上帝纵容坏了的忘恩负义的孩子。
2. I never dreamed that he would be so ungrateful.
   我做梦也没有想到他会如此忘恩负义。