rock the boat
US /rɑk ðə boʊt/
UK /rɑk ðə boʊt/

1.
membuat masalah, mengganggu ketenangan
to do or say something that causes problems, especially by upsetting people or by making changes to a situation that is currently stable
:
•
I don't want to rock the boat, but I think we need to address this issue.
Saya tidak ingin membuat masalah, tapi saya pikir kita perlu mengatasi masalah ini.
•
He's usually quiet and never rocks the boat at meetings.
Dia biasanya pendiam dan tidak pernah membuat masalah dalam rapat.