disillusionment
/ˌdɪsɪˈljuːʒənmənt/noun
mass noun
- a feeling of disappointment resulting from the discovery that something is not as good as one believed it to be失望; 幻灭：
the high abstention rate at the election reflected the voters' growing disillusionment with politics.
选举时很高的弃权率反映了选民对政治的日益失望。