ph.

1. 捕获;擒获;捉拿到
When people catch up with someone who has done something wrong, they succeed in finding them in order to arrest or punish them.

2. 和…算旧账；使…最终尝到苦果
If something catches up with you, you are forced to deal with something unpleasant that happened or that you did in the past, which you have been able to avoid until now.

1. catch up with and possibly overtake

e.g. The Rolls Royce caught us near the exit ramp

Synonym: overtakecatch

2. make up work that was missed due to absence at a later point

e.g. I have to make up a French exam
Can I catch up with the material or is it too late?

Synonym: make up