be no fool

To be worldly and difficult to trick or deceive. Your teacher is no fool—she'll never believe that your homework blew away on your walk home from school.

be no/nobody's fool

to be intelligent John's no fool. He's never going to believe that excuse.

Common Names:

Name	Pronounced	Usage
Vladilen	-	Russian
Arduino	ahr-DWEE-no	Italian
Hrei&Eth;Unn	-	Ancient Scandinavian
Noelene	-	English (Rare)
Maude
Mccoy	[mə'kɔi]