pull your weight
US /pʊl jʊər weɪt/
UK /pʊl jʊər weɪt/

1.
faire sa part, contribuer équitablement
to do your fair share of work or contribute equally to a task or effort
:
•
Everyone needs to pull their weight if we want to finish this project on time.
Tout le monde doit faire sa part si nous voulons terminer ce projet à temps.
•
He's not really pulling his weight on the team.
Il ne fait pas vraiment sa part dans l'équipe.