Correct

忘恩负义

/ wàng ēn fù yì /
Strokes

Definition

to forget favors and violate justice (idiom); ingratitude to a friend/to kick a benefactor in the teeth

Example

Definition

be devoid of gratitude; be ungrateful; leave one's benefactor in the lurch; forget sb's kindness and turn one's back on him in return; bite the hand that feeds one

1
yào
不要
wàngēn
忘恩负义
  

Don't cut down the tree that gives you shade. / Don't bite the hand that feeds you.