disillusioned
adjective uk/ˌdɪs.ɪˈluː.ʒənd/ us/ˌdɪs.ɪˈluː.ʒənd/
C2 理想破灭的;不抱幻想的
disappointed and unhappy because of discovering the truth about something or someone that you liked or respected
He's become a disillusioned man. 他成了梦想破灭的人。
All the other teachers are thoroughly disillusioned with their colleague. 其他教师都对他们的同事感到彻底失望了。