To feel unworthy of or unable to repay even a small favor or gift; to find it hard to accept even a minor kindness due to a sense of immense indebtedness or unworthiness.
他平日乐于助人，却从不接受别人的回报，真是个滴水难消的人。
He is always ready to help others but never accepts anything in return; he is truly someone for whom even a drop of kindness is hard to bear.
Era:
Ancient
Frequency:
Next Idiom