急!请帮小弟用英语翻译几个句子8

1:做决定之前你应该三思
Before making decision ,you should think , think and think it again .或者 you should think it again and again .
2:我要试试用中药来治你的感冒
I will try to use Chinese herbal medicine to deal with your cold.
3:下午三点以前,你必须回学校
You must go back to school before three o'clock P.M.
4:天很暗,可能要下雨
It's dark ,and it's going to rain.
5:我已经准备好了,我们可以出发了吗?
I have been ready ,shall we set off now?
6:昨天当他进来的时候,我已经读完我姐送给我的那本书了
when he came in yesterday,I had finished reading books borrowed from my sister .

1:做决定之前你应该三思
Look before you leap.（三思而后行）

2:我要试试用中药来治你的感冒
I am to try using Chinese traditional medicine to cure your cold.

3:下午三点以前,你必须回学校
You must be back to school before 3 this afternoon.

4:天很暗,可能要下雨
It is cloudy and it is going to rain.

5:我已经准备好了,我们可以出发了吗?
I am ready and we can set off right now.
6:昨天当他进来的时候,我已经