帮忙翻译一下：“静下心来想想”、“你这样做对不起你的老师”

to think about it quietly
if you do like this ,you'll be sorry for your teacher

Be calm.think more.
what you've done make your teacher sad.

think it over
won't you feel guilty(ashame) when facing your teacher,for you've done this?

Peacefully gets down thought you do this sorry you teacher