Up to now, I have finished half of my homework.（到目前为止，我已经完成了一半的作业。）

The new software can handle up to 1000 tasks simultaneously.（这款新软件能够同时处理多达1000项任务。）

It's up to you to decide whether we go to the park or stay at home.（是去公园还是待在家里由你决定。）

He can earn up to $500 a week from his part-time job.（他通过兼职工作每周能挣多达500美元。）

Up to this point, the project has been progressing smoothly.（到目前为止，这个项目进展顺利。）

The container can hold up to 5 liters of water.（这个容器最多能装5升水。）

We are waiting to see what he is up to next.（我们等着看他接下来要做什么。）

Up to two-thirds of the students in this class passed the exam.（这个班多达三分之二的学生通过了考试。）

It's not up to me to make that decision.（做那个决定不是我能说了算的。）

The temperature can drop up to 10 degrees Celsius at night.（晚上气温最多能下降10摄氏度。）

She has read up to chapter five of the novel.（她已经读到这本小说的第五章了。）

Up to 50 people can be seated in this meeting room.（这个会议室最多能坐50人。）

What on earth are you up to? You've been so secretive lately.（你到底在搞什么？你最近一直神神秘秘的。）

The speed limit on this road is up to 80 kilometers per hour.（这条路上的限速最高为每小时80公里。）

It's up to the team members to work out a solution.（想出解决方案要靠团队成员自己。）

They hiked up to the top of the mountain despite the bad weather.（尽管天气不好，他们还是徒步登上了山顶。）

Up to now, we haven't received any news from him.（到现在为止，我们还没有收到他的任何消息。）

This old car can run up to 100 kilometers on a full tank of gas.（这辆旧车加满一箱油最多能跑100公里。）

It's up to us to protect the environment for future generations.（为子孙后代保护环境是我们的责任。）

The children were up to all sorts of mischief while their parents were out.（父母不在家时，孩子们调皮捣蛋，什么都干。

）