9. According to the regulation, these things are not permitted to send abroad.
根据规定，这些东西不能寄往国外。
还能这样说：
In terms of the rule you can't send these things abroad.
It's laid down that these things are forbidden to post to foreign country.
应用解析：
bring...into accord 使一致，使符合；
(in) accord with 与……一致，与……契合（指见解，观点等）；
of one's own accord 自愿地，主动地
10. This parcel is overweight by two kilos.
这包裹超重2公斤。
还能这样说：
This parcel weights two kilos in excess to the allowance.
This package is two kilos overweight.
谚语：
Relieving the state of Zhao by besieging the state of Wei.
围魏救赵。
12. I'd like to send it by air mail.
我想寄个航空邮件。
还能这样说：
Please send it by air mail.
I want to send it by air mail.
应用解析：
clear the air 使空气流通；澄清事实；
eat the air 画饼充饥，痴心妄想；
give air to 发表；
give oneself airs 摆架子
13. How do you want to send your parcel?
你想如何寄包裹？
还能这样说：
In which way do you want to send your parcel?
What way do you prefer to send your package?
应用解析：
parcel out 分给，分配；
parcel up 包起来