1.have a cold =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.stay healthy =keep healthy =keep in good health = keep fit 保持健康 18.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,