You blow it! 你把事情搞砸了!

A: We could have got the deal , but you blew the whole thing!
A: 我们原本可以达成那笔交易的, 但是你把整个事情都搞砸了!

B: What did I do?
B: 我作了什么呢?

blow up"是「发脾气」的意思。 "You'd better take off right now. Kevin will blow up if you're late again." 你最好现在就出发吧! 你要是再迟到, Kevin 会气炸的。