1. on guard 站岗, 警惕，防备，值班
2. on one's guard 警惕, 警戒; 提防
3. be in the habit of 有…习惯(或脾气)
4. do one's hair (女子)做头发
5. for good 永久地; 一劳永逸地
6. good for 对…有益，能担当，有效的; 值…; 胜任
7. grasp at 向…抓去, 想抓住
8. on the grounds of 以…为理由; 根据
9. grow on ，逐渐加强，(习惯)加深对…的影响
10. grow up 成熟; 成年; 逐渐形成
11. guarantee against 保证…不…
12. do up one's hair (女子)梳理头发
13. lose one's hair 脱发;发脾气
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