【Sentence】

1.cool off：become quiet or calm, especially after a state of agitation; to become calm, less excited or less enthusiastic  平静起来

e.g.Maybe he's trying to cool off out there in the rain. 或许他希望借助于大雨让自己冷静下来。

2.Dude. Those vacations cost like five grand.哥们，这最起码得花上3000美元

Dude:an informal form of address for a man对男子的一种非正式称呼

e.g."Say, dude, what are you doing?";  哎，伙计，你在做什么呢？

同义词：fellow, buster

"Hey buster, what's up?" 嗨，发生什么事了？