Hey, buddy! Are you wearing shoes or boots?
At Greenhill, we try to teach only standard pronunciation; however, in reality, there is no such thing as a "standard" English pronunciation.
3.(on) fire 火灾；火，燃烧物；射击；解雇；激励
Mark said the bartender was on fire again.
Get up, everybody, and shake your derriere!
5.pink slip (n.)解雇通知书
They gave him a pink slip because he was too lazy.