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

1.
尽自己的职责, 承担应有的责任
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.
如果我们想按时完成这个项目,每个人都必须尽自己的职责。
•
He's not really pulling his weight on the team.
他并没有真正尽自己的职责。