9. I'll follow the doctor's advice.
我会谨遵医嘱的。
还能这样说：
I consider it necessary to follow the doctor's advice.
I shall follow the advice that my doctor gives me.
应用解析：
follow sb. about 跟踪，尾随;
follow after 紧跟;力求达到;
follow from 是从(根据)……得出的;
follow home 穷追，追根到底
10. How many injections do I need to have?
我需要打几针呢?
还能这样说：
How many injections do I need?
How many injections will you give me?
应用解析：
inject into 把……注入;给……增添;
inject with 用……注入
11. Shall I avoid any particular food?
我要不要忌食?
还能这样说：
Can you tell me which food I must avoid?
Do I need to avoid some food?
谚语：
Avoid negative people, places, and bad habits.
是非之人勿交，是非之地远离，不良习惯勿染。
12. I'm going to set you up with a bunch of antibiotics.
我会给你开些抗生素。
还能这样说：
Let me prescribe some antibiotics for you.
I'll prescribe you some antibiotics.
应用解析：
set one's heart on the common good 一心为公;
be set in one's way 一成不变;
all set 准备就绪