*tidy (something) up*
Definition: to put things in their correct place.
(This phrasal verb has more than one meaning)
E.g.1: Before you go out with your friends you must tidy your bedroom up – your clothes are all on the floor and there are 5 empty cups under your bed.
E.g.2: She was tidying up her room when she found the keys she had lost the previous week.
This phrasal verb can be separated. (E.g.1)