Unit 2
1.a healthy diet健康饮食;
a balanced diet平衡的饮食
2.in different way用另外方式
3.most often最经常
4.feel frustrated感到沮丧
5.by lunchtime到午餐时间
6.must have happened一定发生过
7.at the end of the street在街道的尽头
8.be tired of 厌倦
9.be amazed at sth. 对...感到惊奇
10.throw away扔掉
11.get away with 逃脱  
12.tell lies说谎
13.energy-giving food提供热量的食物
body-building foods提供营养的食物
14feel fit保持精力旺盛
15.the weakness of the diet饮食的弱点
the strength of the diet饮食的优点
16.do some research into做一些...方面的研究
17.earn one’s living谋生
18.be in debt负债
19.glare at怒视
20.move round绕过
21.spy on在暗中侦察；打探
22.upset sb.使......不安
23.look ill　感到不舒服feel sick感到恶心
24.heavy food不易消化的食物
25.chat(ting) about聊起关于......
26.serve with用......配
27.rather than而不是
28.cut down减少
29.before long不久