일들을

일들을

"Things" or "tasks" (accusative/plural form).

In this sentence, '일들을' refers to various tasks or jobs that need to be completed, acting as the direct object of the verb '마치고' (finished).

그는 오늘의 일들을 마치고 집에 갔다.

He finished today's tasks and went home.

Here, '일들을' is used to denote important matters or tasks, pluralized and serving as the direct object of '처리하라고' (to handle).

항상 중요한 일들을 먼저 처리하라고 조언한다.

He advises always handling important tasks first.

In this instance, '일들을' emphasizes the plurality of tasks ('여러 가지 일') and plays the role of a direct object for '처리할 수 있는' (can handle).

그녀는 여러 가지 일들을 동시에 처리할 수 있는 능력을 갖추고 있다.

She has the ability to handle multiple tasks simultaneously.