go through the motions

US /ɡoʊ θruː ðə ˈmoʊʃənz/
UK /ɡoʊ θruː ðə ˈmoʊʃənz/
"go through the motions" picture
1.

to do something in a mechanical or unenthusiastic way, without genuine interest or effort

:
•
He was just going through the motions at work after he decided to quit.
•
She felt like she was just going through the motions in her relationship.
:
go throughgo through withmotiongo through the floorgo through the roofgo through the millgo through the wringer