英文catch up用法(Usage of catch up in English)

英文中，catch up表示｢趕上」的意思。
catch up with→要趕上的目標同時也在前進
The president must catch up with the latest situation.(總統必須知道最新的情況)
catch up on→要趕上的目標同時是固定的
The lawyer must catch up on his work.(律師有一堆工作要趕)

參見(See also)
catch at用法(Usage of catch at)
catch on用法(Usage of catch on)
catch up用法(Usage of catch up)