disloyal

形容词 disloyal:

1. showing lack of love for your country
   同义词：unpatriotic
2. deserting your allegiance or duty to leader or cause or principle

1. Not adhering to promises, obligations, or allegiances; disloyal.
   不忠实的; 不守信的不坚持诺言、义务或忠诚的; 不忠诚的
2. The new president carried out a purge of disloyal army officers.
   新总统对不忠诚的陆军军官进行了一次整肃。
3. That person is disloyal to his associates.
   那人对同事不守信义。
4. He was disloyal to his country.
   他对祖国不忠。

dis.loy.al

adj.（形容词）
Lacking loyalty.See Synonyms at faithless
不忠实的，不忠诚的参见 faithless

来源：
Middle English *disloial
中古英语 *disloial
from Old French desloial
源自 古法语 desloial
des- [dis-]
des- [表示.不，缺乏.的意思]
loial [loyal] * see loyal
loial [忠诚的，忠实的] *参见 loyal

【引伸】
disloy.ally
adv.（副词）