Unit 1
1. go to the movies=go to the cinema 看电影
2. look after=take care of 照顾
3. surf the Internet 上网  
4. healthy lifestyle 健康的生活方式
5. go skateboarding 去划板
6. (be) in good health =（be）healthy 身体健康
7. keep healthy=keep in good health 保持健康
8. as for 至于
9. take/do exercise=play/do sports 锻炼,做运动
10. eating habits 饮食习惯
11. the same as 与……相同
12. once a month 一月一次
13. be different from 不同
14. twice a week 一周两次
15. make a difference to 对什么有影响
16. how often 多久一次
17. lots of = a lot of = many/much 许多，大量
18. most of the students=most students 大多数学生
19. activity survey 活动调查
20. go shopping=do some shopping 购物
21. do homework 做家庭作业
22. do housework 做家务事
23. junk food 垃圾食物
24. be good/bad for 对……有益(害)  
25. on/at weekends 在周末
26. want to do sth=would like to do sth=feel like doing sth 想要做某事
27. want sb to do sth=would like sb to do sth 想要某人做某事
28. try to do sth 尽量做某事 try doing sth. 试着做某事
29. come home from school 放学回家
30. of course=certainly=sure 当然
31. get good grades 取得好成绩
32. help sb（to）do sth 帮助某人做某事，
33. help sb with sth 在某方面帮助某人

Unit 2
1. have/catch a cold=have got a cold 感冒
2. a sore back/throat 背(咽喉)痛
3. have a stomachache 胃痛
4. lie down and rest 躺下休息
5. see a dentist 看牙医
6. drink lots of water 多喝水
7. hot tea with honey 加蜂蜜的热茶
8. a good idea 好主意.
9. stressed out 筋疲力尽
10. a healthy lifestyle 健康的生活方式
11. traditional Chinese doctors 传统中医医生
12. a balance of yin and yang 阴阳调和
13. too much yin 阴气太盛
14. a balanced diet 饮食平衡
15. healthy/yin/yang food 健康(阴性，阳性)食品
16. at the moment=now 此刻
17. enjoy oneself=have a good time=have fun=have a wonderful time 玩得高兴,过得愉快
19. host family 寄宿家庭
20. conversation practice 会话练习
21. enjoy doing sth. 喜欢做某事， 
22. practice doing sth. 练习做某事,
23. mind doing sth. 介意做某事，
24. finish doing sth. 完成某事,
25. give up doing sth. 放弃做某事,
26. keep doing sth. 坚持做某事.
27. can’t stand doing sth. 忍不住做某事
28. have fun doing sth. 做某事很愉快