1DISAPPOINTEDto make someone feel unhappy because something they hoped for did not happen or was not as good as they expected (使)失望
I hated to disappoint her.
我不愿意让她失望。
Great things were expected of this band, and they didn’t disappoint.
大家对这支乐队的期望很高,而他们也不负众望。
2disappoint somebody’s hopes/expectations/plansDISAPPOINTEDto prevent something from happening that someone hoped for or expected 让某人的希望/期望/计划破灭
The Berlin settlement of 1878 disappointed Russian hopes in the Balkans.
1878年的柏林条约使俄国在巴尔干的希望破灭了。
Examples from the Corpus
disappoint• Bolton promised a great performance, and he didn't disappoint.• He does not cheat or disappoint.• I had the feeling I was disappointing him, and it filled me with a dullcontinuousinnerchestpain.• Many were disappointed in their aspirations.• The banddisappointed thousands of fans by cancelling at the last minute.• Of course our kidsdisappoint us sometimes, but we don't stop loving them.• I'm sorry to disappoint you, but there aren't any tickets left.
Origindisappoint
(1400-1500)Old Frenchdesapointier, from apointier“to arrange”