Meaning of fall flat on one's face | Babel Free

Definitions

1. To fall headlong forwards, notionally hitting one's face on the ground.
   literally
2. To fail miserably, especially in an obvious or embarrassing way.
   figuratively

Examples

“I tripped over my shoelace and fell flat on my face.”

“He tried to start his own business but fell flat on his face.”

CEFR level