The medicine is not for internal use.
这种药不可内服。
A combination of internal and external factors caused the company to close down.
内外因结合导致了公司的倒闭。
They resent foreign interference in the internal affairs of their country.
他们憎恶对他们国家内政的外来干涉。
He does not want to interfere in the internal affairs of another country
他不想干涉别国内政。
What is missing, however, is an internal, artistic cohesion
不过，缺乏的是一种内在的艺术凝聚力。
The UN cannot interfere in the internal affairs of any country.
联合国不能干涉任何国家的内政。