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
Koldobika	-	Basque
Isabella	ee-zah-BEL-lah (Italian), iz-ə-BEL-ə (English)	Italian, German, English, Swedish, Norwegian, Danish, Dutch, Romanian
FÉLicienne	-	French
Jenae	-	English (Rare)
JoÃOzinho	-	Portuguese
Sofia	zo-FEE-ah (German), so-FEE-ah (Italian), soo-FEE-ə (Portuguese), SO-fee-ah (Finnish)	Norwegian, Swedish, German, Italian, Portuguese, Catalan, Greek, Finnish, Estonian, Slovak, Romanian