幾個catch up 的字

1. catch up on　繼續（做）


to do something that you have not been able to do recently:
I have to catch up on my reading.

2. catch up with　罰

 If someone in authority catches up with you, they discover that you have been doing something wrong and often punish you for it:
They had been selling stolen cars for years before the police caught up with them.


3. catch up 追上

 to reach the same quality or standard as someone or something else:
Will Western industry ever catch up with Japanese innovations?
He was off school for a while and is finding it hard to catch up.

 4. catch up　(on)  學習

to learn or discuss the latest news:
Let's go for a coffee - I need to catch up on all the gossip.

4. catch (sb) up 追上

 to reach someone in front of you by going faster than them:
I ran after her and managed to catch up with her.
UK Go on to the shops without me, I'll catch you up.