She was saddened by her son's ingratitude.
儿子的忘恩负义伤了她的心。
;She was saddened by her son's ingratitude.
儿子的忘恩负义伤了她的心。
The person always returns ingratitude for kindness.
这个家伙常常恩将仇报。
His friends were shocked by his ingratitude to his parents.
他对父母不孝, 令他的朋友们大为吃惊。
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