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
Frieda	['fri:də]
Chidike	-	Western African, Igbo
Ginny	JIN-ee	English
Sotiris	-	Greek
Balderstone	['bɔ:ldəstəun]
Goddard	GAHD-ərd	English (Rare)