일들을

things

→ 일
phrase Uncommon #12,163
things 들 marks the noun as plural, and 을 marks it as the object of the sentence. Depending on context, 일 can refer to events or things that happened.
KO: 어제 있었던 일들을 기억해요.
EN: I remember the things that happened yesterday.

어쨌든, 이런 일들을 잘 이해 못 할 거 야

Anyway, you probably won’t understand things like this.

— 레오파드 (1963)

무슨 일들을 이렇게 합니까?

Why are you doing all this?

— Pandora (2016)

사실 그날의 일들을 정확히 기억할 수는 없다

In fact, I can't remember exactly what happened that day.

— 해피 투게더 (1997)

엄마의 이야기 이런 일들을 정말 믿으세요?

Do you really believe your mother’s stories about things like this?

— 엑소시스트: 믿는 자 (2023)