1. I need some medicine.
我需要一些藥。
還能這樣說：
I need to buy some medicine.
Please give me some medicine.
應用解析：
daily needs 日用品；
satisfy one's need 滿足某人的需要；
needs test 經濟情況調查
2. I will buy some western medicine.
我要買一些西藥。
還能這樣說：
I want to buy some western medicine.
I would like to take some foreign medicine.
應用解析：
go west 完蛋；用光；毀滅；歸西；上西天；
due west 向正西方；
go to the West 到西部去
3. Cough syrup will do.
止咳糖漿就可以了。
還能這樣說：
Just a bottle of cough syrup.
A bottle of cough syrup, please.
應用解析：
whooping cough 百日咳；
cough crane 鳴鶴；
cough drop 咳嗽糖；
cough lozenge 咳嗽片；
cough syrup 止咳糖漿
4. How often do I have to take the medicine?
我應該多長時間吃一次藥？
還能這樣說：
Please tell me how often I should take the medicine.
How often should I take the medicine?
諺語：
Take things as they come.
既來之，則安之。