DISAPPOINTEDto make someone realize that something which they thought was true or good is not really true or good 使醒悟,使不再抱幻想
I hate to disillusion you, but I don’t think she’s coming back.
我真不愿意让你失望,但我想她是不会回来了。
Examples from the Corpus
disillusion• Some may be converted and disillusioned, others will be unconverted but believing or searching people.• I hate to disillusion you, but you'll probably never get your money back from them.