rock the boat字面意思晃船，引申为无事生非，制造不安定，破坏现状。

【例句】
I think a charming girl should be always all ears and never rock the boat In class.
我认为魅力女生在课堂上应该总是认真听讲，从不无事生非，制造混乱。

Try not to rock the boat too much and proceed with caution in all you do today.
不要挑事太多，今天做事一切都要小心谨慎。