プログレッシブ和英中辞典(第4版)の解説
おん【恩】
〔受けた好意〕a favor，《英》 a favour；〔恩義〕an obligation, moral indebtedness
ご恩は一生忘れません
I will never forget 「your kindness [what you have done for me].
恩に着せる
あの人は何かやってくれるとすぐ恩に着せる
Whenever he does anything for you, he expects you to be terribly grateful.
恩に着る
ありがたい，恩に着ます
Thank you. I'm deeply indebted to you.
恩を仇で返す
repay kindness with evil; bite the hand that feeds one
恩を売る
demand gratitude
あいつには昔から恩を売ってあるから私の頼みを断れないさ
I've done a lot for him over the years, so when I ask him to do something for me he can't say no.