repay kindness

Translations
отплатить за доброту
Someone wanted to repay kindness shown by someone else.
Кто-то хотел отплатить за доброту, проявленную кем-то другим.
Definitions
To return a favor or act of goodwill that someone has shown to you, often by performing a similar act of kindness in response.
Words
kindness

noun
доброта
repay

verb
возвращать