in the loop
US /ɪn ðə luːp/
UK /ɪn ðə luːp/

1.
了解情况, 在圈内
informed about and involved in something, especially a plan or project
:
•
Please keep me in the loop about the project's progress.
请让我随时了解项目进展。
•
She's always in the loop when it comes to office gossip.
她总是了解办公室八卦。