a traitor to one's country的用法和样例：
- He was denounced as a traitor to his country.
- He was denounced as a traitor to his own country.
- He was branded a traitor to his country.
- He was seen as a traitor to the socialist cause.
- Any one that stays is a traitor to the Tsar.
- There's still time for you to draw back before you cut your cables,become a traitor to your country.