Dude 用法一：在 greeting 前面 dude! What's up?

Dude, what's goin' on? Dude how are you?

What's goin' on dude? How you doin' dude?

用法二：朋友（无论男女）

Melissa is my dude! Bob is also my dude.

Man和dude一样

Hey Man, what's up?. Hey man what's goin' on?

Bob is my man!

表示不高兴：man, I an so tired...

Man i'm hungry...

Bro 和 buddy 朋友

Sup bro?嘿，怎么样？也可以叫哥哥弟弟 bro

Hey buddy! Orhey bud!对男性朋友称呼

Hey bud, how's it going?

Hey buddy, are you ready to go to dancing?