disloyal
🇺🇸
/dɪsˈlɔɪəl/
🇬🇧
/dɪsˈlɔɪəl/
not faithful or supportive to someone or something you should be loyal to
She felt hurt when her friend was disloyal and shared her secret with others.
當她的朋友不忠,把她的秘密告訴別人時,她感到非常受傷。