ingratitude GRE

1.She was saddened by her son's ingratitude.

儿子的忘恩负伤了她的心。

2.The person always returns ingratitude for kindness.

这个家伙常常恩将仇报。

3.His friends were shocked by his ingratitude to his parents.

他对父母不孝, 令他的朋友们大。