您要查找的是不是：
- She likes to keep up with the latest fashions. 她喜欢穿戴入时。
- Mother set the pace so that her children would keep up with her. 妈妈定了速度好让她的孩子们能够跟上她。
- I think it important that we keep up with the times. 我认为跟上时代是很重要的。
- If you don't keep up with the times, you'll get left behind. 如果你跟不上时代，就会被时代甩在后面。
- I can't keep up with all the changes in computer technology. 计算机技术的各种改进有些我已跟不上了。
- He made an arduous effort to keep up with the rest of the class. 他努力跟上班上其他同学。
- They walked so fast that I could not keep up with them. 他们走得那么快,我没法跟上。
- They could not keep up with us when we climbed the mountain. 爬山时，他们跟不上我们。
- I haven't kept up with news from home lately. 最近我对家里的情况一无所知。
- How many of your old school friends do you keep up with? 你和中学时的老同学保持联系的有多少?
- Do you keep up with your classmates in high school? 你与高中的同学保持联系吗?
- We must keep up with the times [world affairs]. 我们必须跟上时代[及时了解世界的情况]。
- I was put to it to keep up with his pace. 我跟上他是不容易的。
- Somehow I just don't keep up with things. 我反正就是弄得成了这么个跟不上潮流的人。
- We cannot keep up with the vagaries of his mind. 我们跟不上他的异想天开的速度。
- How do we keep up with near-continuous change? 如何才能跟上近乎连续的变化?
- At first he couldn't keep up with the class. 开始时，他跟不上班。
- Mr. Ampere can not keep up with it any longer. 安培先生跟不上它了。
- They walk so fast that I can not keep up with them. 他们走得那么快，我没法跟上。
- We had to run to keep up with the girls. 我们得跑步才能赶上女孩子们。
