catch up

动词 catch up:

1. reach the point where one should be after a delay
2. learn belatedly; find out about something after it happened

1. Old age and infirmity had begun to catch up with him.
   他开始显出年老体衰的样子了。
2. Staff must stay behind after hours to catch up on their work.
   下班後工作人员需要留下来把工作赶完。
3. She walked too slowly to catch up with us.
   她走得太慢，跟不上我们。
4. We'll do all we can to catch up the world level.
   我们会尽力来达到世界水平。
5. He walked too slowly to catch up with me.
   他走得太慢而不能跟上我。
6. We have done all we could to catch up with them.
   我们已经尽了一切可能来赶上他们。
7. I have to work hard to catch up with the other students.
   要想赶上其他同学，我得特别努力才行。
8. He shut himself away for a month to catch up on his academic work.
   他与世隔绝一个月，力图把功课赶上去。