1. state of the art
Source: Wayne: I spent two years developing this machine, it’s absolutely state of the art. [Friends S06E21, when Wayne talked his robot.]
Definition: using the most modern and recently developed methods, materials, or knowledge
eg. His new laptop is state-of-the-art.
2. it all adds up
Source: Ross: Of course! It all adds up! I mean you you’re obsessed with her. [Friends S06E04, when Ross asserted the relationship between Phoebe and Rachel]
Definition: It makes sense; The things which you find out explain something you didn’t understand. 这就对了，这就可以解释的通了
3. confess
Source: When are you gonna confess your secret marriage to Rachel? [Friends S06E04, when Ross asserted the relationship between Phoebe and Rachel]
Definition: to admit, especially to the police, that you have done something wrong or illegal
4. bummed
Source: Phoebe: Well, she told me that I’m gonna die this week, so I’m kinda bummed about that. [Friends S06E04, when Phoebe was worring about her psychic said she’s going to die this week.]
Definition: depressed, irritated. 郁闷，沮丧
eg. I’m really bummed to have to leave you!
5. nice try
Source: Rachel: Yeah. (Monica walks away) Nice try! (Rachel puts them in a box.) [Friends S06E04, when Rachel was packing her belongings to move to Ross’s and found the pair of candlesticks.]
Definition: 1) a good effort or attempt to do something; 2) usually used in an ironic way to say that an attempt at something was not very good or was not a nice thing to do.
虽然字面上的意思是夸奖别人做得好，但是实际上nice try最常用来讽刺别人“你想得美”。若有人想唬你去做一件很笨的事，你就可以说声Nice try。
eg. Nice try, but you’re not going to trick me this time.