我已经完成了任务，其余的交给你了。

Wǒ yǐjīng wánchéngle rènwù, qíyú de jiāogěi nǐ le.

I have completed the task, the rest is up to you.

这个任务由他负责，其余的人协助他完成。

Zhège rènwù yóu tā fùzé, qíyú de rén xiézhù tā wánchéng.

He is responsible for this task, and the rest of the people assist him in completing it.

我花了三个小时学习，其余的时间休息了。

Wǒ huāle sān gè xiǎoshí xuéxí, qíyú de shíjiān xiūxí le.

I spent three hours studying and rested the remaining time.