大だい恩おん

noun

great debt of gratitude; great obligation

Refers to a profound sense of indebtedness for a significant favor or kindness received. Often used in formal or heartfelt expressions of thanks.

• 彼かれには大だい恩おんがあるので、一いっ生しょうかけて恩おん返がえししたい。

  I owe him a great debt of gratitude, so I want to repay it over my lifetime.

• 大だい恩おんを忘わすれてはいけません。

  You must not forget a great obligation.