今天要和大家分享的口语表达是：blow it。这个口语表达的意思是：lose an opportunity by doing or saying the wrong thing，就是犯了错，把事情搞砸了，而错过了一个好机会。
- I guess I blew it when I told my teacher I didn't care what grade she gave me.
- I finally got a date with that girl, but I blew it. I overslept, and showed up half an hour late.
- That was a great opportunity, but now I've blown it.
- She was hoping for promotion but she blew it when she got pregnant.
- He's so stupid, and he's going to blow it!
如果要表达，不要把事情搞砸，你知道怎么说吗？对了，就是，Don't blow it!