1. Blah-blah-blah 说个不停
All she does is gu "blah-blah-blah" all night. 她整夜说个不停。
2. Blow it 搞砸了,弄坏了
I blew it when I came out to give a public speech last night. 昨晚当中演讲时,我搞砸了。