Behave yourself 老实一点；表现好点；规矩点
例句：
A:Mom,Can I play ball for a while outside?
妈妈，我可以在外面玩一会吗？
B:Your father is in the study working hard.You can't make any noise or you might make him angry.He has some important work to do and he needs to get it done.
你爸爸在书房工作呢，你不能制造一点噪音，否则他会生气的，他有很重要的工作要做，而且需要尽快完成。
A:I promise I'll be quiet.Please!
我保证不会出一点声音，求您了。
B:Behave yourself!Don't make any noise.Have you finished your homework?
老实点儿，不要吵，你作业完成了吗？
A:Yes,I've finished.
是的，我已经做完了。
背景音乐：
Tony Ferrari—by my side
