1、epic 非常好The last Harry Potter movie was epic. OMG! It was amazing! 　　《哈利波特7》非常好看！ 　　　　2. cool beans 好吧 　　- I invited you to my friend's party. It's gunna be really fun. 　　- Cool beans! 　　- 跟我一起去我朋友的派对，会很好玩的。 　　- 好吧！ 　　　　3. I'm down. 我可以做 　　I'm down with going shopping if you...