u2 重点词汇讲解一、重点词汇列表动词 act, surprise, bend, starve, tolerate, defend, deserve, mix, score, handle, insist, chat, forbid, limit, balance, last, challenge 名词 act, vacation, curtain, mess, sink, garbage, charge, adult, behaviour, teenager, fault, scene, explanation, cash, mark, score, cafe, chat, period, argument, freedom, relationship, wisdom, limit, balance, challenge 形容词 frightened, upset, rude, valuable, worried, foolish, selfish, distant, annoyed, normal, confused, physical, psychological, challenging 重点词组 be supposed to, do with, garbage can, in charge of, go out, not…anymore, be hard on, now that, stay up, after all, mix up, as if, insist on, internet cafe, at present