свои грехи

one's sins

→ свой
phrase Rare #36,910
one's sins The reflexive possessive свои means “one's own” and refers back to the subject of the sentence. грехи is the plural form of грех, “sin.”
RU: Иногда человеку трудно признать свои грехи.
EN: Sometimes it is difficult for a person to admit their sins.

Я беру ответственность за свои грехи.

I take responsibility for my sins.

— Орган геноцида (2017)