中翻英：注意你的举止，不要闹出笑话来。（behave）

Behave yourself, don't make a scene.

这里的闹出笑话指当众出丑，出洋相。make a scenc 最贴切。

1.take care of what you behave in order not to make jokes.
2.take care of your behavior in order not to make jokes.

Notice about your behavior, don't take any jokes

Behave yourself, or you will make some jokes.

Pay attention to your behaver,or you'll be laughed at.