keep your head down
US /kiːp jʊər hɛd daʊn/
UK /kiːp jʊər hɛd daʊn/

1.
保持低调, 避免惹麻烦, 不引人注目
to avoid trouble or attention, especially by not drawing attention to oneself
:
•
During the office drama, I decided to keep my head down and focus on my work.
在办公室的纷争中,我决定保持低调,专注于我的工作。
•
If you want to avoid getting into trouble, just keep your head down and do what you're told.
如果你想避免惹麻烦,就保持低调,听从指示。