Don't rock the boat or it will capsize!

不要摇晃小船，否则它会翻的。

youdao

Things are progressing well don't rock the boat.

事情进行得很顺利，不要无风生浪。…“无风生浪”。

youdao

If you say, "don't rock the boat," that means don't cause trouble.

如果你说，Dont rock the boat，意思是别制造麻烦。

youdao

This time the instruction was 'pretend you haven't seen it, don't rock the boat'.

BBC: 'They told us how to pass the exam'

Don't Rock The Boat" and " Recovery?

FORBES

Then, in my research, I found that many Asian-Americans were discouraged to talk about any problems they had that had to do with perhaps racial discrimination, that families even encouraged their children to not say anything and don't rock the boat.

NPR: Asian-Americans: Smart, High-Incomes And ... Poor?