burst (one's) bubble

To bring someone back to reality, especially if they are dreaming or fantasizing about something unrealistic. Look, I hate to burst your bubble, but there is no way you're getting into Harvard! You're a C student!

Common Names:

Name	Pronounced	Usage
Esperanza	es-pe-RAHN-thah (Spanish), es-pe-RAHN-sah (Latin American Spanish)	Spanish
Patrick	['pætrik]
Stefanos	-	Greek
Lane	[lein]
Moshe	-	Hebrew, Biblical Hebrew
DuŠAna	-	Czech, Serbian, Croatian, Slovak