random acts of kindness

Translations
случайные акты доброты
She performed random acts of kindness by paying for his coffee.
Она совершила случайные акты доброты, заплатив за его кофе.
Definitions
Random acts of kindness refer to spontaneous, selfless actions performed to help or bring joy to others, often without any expectation of reward or recognition.
Words
act

noun
акт
kindness

noun
доброта
random

adjective
случайный