恩おんがある

expression, godan verb (-ru, irregular)

to be in someone's debt; to owe someone a favor

Expresses a sense of gratitude and obligation toward someone who has done a kindness. Often used in formal or heartfelt contexts.

• 彼かれには大たい変へん恩おんがある。

  I am deeply indebted to him.

• あなたに恩おんがあることは忘わすれません。

  I will not forget that I owe you a debt of gratitude.