go through the motions
US /ɡoʊ θruː ðə ˈmoʊʃənz/
UK /ɡoʊ θruː ðə ˈmoʊʃənz/

1.
faire les gestes, agir sans conviction
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.
Il ne faisait que les gestes au travail après avoir décidé de démissionner.
•
She felt like she was just going through the motions in her relationship.
Elle avait l'impression de ne faire que les gestes dans sa relation.