1. luck n.运气，常用于①Good luck to sb.祝某人好运。②Good luck with sth.某事好运。
luck→lucky adj.幸运的，e.g. a lucky dog幸运儿
lucky→luckily幸好，幸运地，幸运的是，常用于句首。
Her handbag was stolen on her way back home. (luck), she hadn’t put her keys in it.
2. play hide-and-seek 捉迷藏 (详见Unit 2“词汇解析”第4条)
3. support v.&n.支持;养活e.g.① have a lot of support from sb得到某人的大力支持
②Mark has a big family to support.马克养活一大家人。
③with one’s support在某人的支持下
support→supporter支持者;拥护者 e.g. I’m a Yao Ming supporter.我是姚明的球迷。
4. instead adv. 代替 e.g. There’s nothing at the cinema. Let’s go to the Internet bar instead.
→instead of+名词/代词/动名词/介词短语，代替… e.g. Can I come at 9:00 instead of 8:00?
5. real/true词语辨析
real和true的主要含义不同，real指确实存在、非相像的;true表示与事实相符、真实、非杜撰的。e.g. ①Was it real or was it a dream? 这是真实还是梦幻? ②Is the news true? 这消息是真的吗?③a movie based on a true story取材于真实故事的电影
6. movement n. 运动;行进;走动 e.g. ①There was a sudden movement in the bushes. 灌木丛里突然有什么东西动了一下。②the women’s/peace movement 妇女/和平运动