Put (one's) hair up phrasal verb
To tie one's hair in a style such as a ponytail or a bun.
When I was a kid, my grandmother showed me how to put my hair up in a certain way.
She feels more confident when she puts her hair up.
The verb" put" should be conjugated according to its tense.
To start doing something enthusiastically and energetically
We have a lot of work to do today, so let’s get stuck in.