disloyal
adj. 不忠的；不忠诚的；背叛的
例句
She was so disloyal to her deputy she made his position untenable.
她对她的副手如此不忠诚，以至于弄得他的职位岌岌可危。
《柯林斯英汉双解大词典》
He was accused of being disloyal to the government.
他被指控对政府不忠。
《牛津词典》
Accusing us of being disloyal to cover his own sorry behaviour is truly execrable.
用指控我们的不忠来掩盖他个人的不当行为真是很恶劣。
