我想当我对老师说我不在乎她给我什么分数时，我搞砸了机会。

I guess I ___blew ___it when I told my teacher I didn't care what grade she gave me.

汤姆因为面试迟到而失去了获得这份工作的机会。

Tom ___blew ___his ___chances of getting the job by arriving late for the interview.

我给你最后一次机会。如果你搞砸了，你将被送到一个专门对待你这种人的机构。

I'm giving you one last chance. If you ___blow ___it, you'll be sent to an Institution which treats people like you.