6. Blair: The point is, enough of this high school nonsense. Nelly or no Nelly, who cares? I have enough going on already.

I have enough going on already: 我已經夠煩的了

7. Serea: Blair, it's Chuck. He's somewhere blowing off steam. It's what he does. He'll show up in a couple days minus a few million brain cells and some liver tissue.

blow off steam: 發揮多余的精力。后面那句是暗示他喝很多酒，所以腦細胞跟肝臟都有損傷。

8. Penelope: Daddy? I need you to call headmistress Queller. There's a girl bullying me.

bully: 欺負，經常用在學校里，指恃強凌弱

9. Chuck: That's the problem with an open invitation. You can't keep out the hoi polloi.
Dan: What do you know about my Dad and Lily?
Chuck: So the cat's out of the bag.

open invitation: 沒有正式的邀請函，客人可以自己決定到達的時間，也不限制客人的身份。如果有人對你說Please drop by again. You have our open invitation. 意思是下次歡迎你隨時 造訪，不必預約。另外有個open bar，通常指那些婚禮、宴會上的吧臺服務，酒水是免費的。用在酒吧里，open bar表示買一張門票就可以無限暢飲的意思。
hoi polloi: 民眾，大眾
(let) the cat's out of the bag: 揭露一個秘密，尤其是很重要，很關鍵的秘密