She was saddened by her son's ingratitude.
儿子的忘恩负义伤了她的
。
,在乎;满,怨恨;忠, 背叛;
;She was saddened by her son's ingratitude.
儿子的忘恩负义伤了她的。
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
, 
他的朋友们大为吃惊。
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