1. catch up on
I have to catch up on my coursework
I just want to go home and catch up on some sleep.
I've got to stay at home and catch up on my reading
I need to catch up on work.
I've been sick and now I have to catch up on the material.
I always try to catch up on my reading when I go on holiday.
英語 "という言葉nadrabiać zaległości w"(catch up on)集合で発生します。
unit 8 well beinguse of english