disillusion
US /ˌdɪs.ɪˈluː.ʒən/
UK /ˌdɪs.ɪˈluː.ʒən/
1.
幻滅
to disappoint someone by telling them the unpleasant truth about something or someone that they had a good opinion of or respected:
:
•
I hate to/I'm sorry to disillusion you, but pregnancy is not always wonderful - I was sick every day for six months.