成人英语三级必备词汇(8)

If you bring contraband into a country, you may go to jail.
如果你把违禁品带进一个国家,可能要坐牢。

quarantine　
(n.) 隔离

If you bring your pet to another country, you may have to put it in quarantine for a while.
如果你把宠物带到另一个国家,它可能要被隔离一段时间。

between ourselves

私下的话，不可外传

This matter is between ourselves.
这事你我知道就好。