17. combine...with... 结合

16. be rich in 丰富

15. lead / live an unhealthy life 过着不健康的生活

14. care about 关心

13. look into the eyes 坦然地正视某人

12. be careful with 小心，警惕

11. be based on 以……为基础

10. be good for 对……有好处

9. keep up with 与……保持一致

8. lose weight 减肥