But mum, I didn't mess it up.但是妈妈,我不想把事情弄糟的。
You should have asked for my opinion before you did it.在做之前,你本来应该问问我的意见。
Sorry, mum. I won't do it again.对不起,妈妈。我下次不会了。
You'd better remember your promise.你最好记住你的诺言。