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
Sendoa	-	Basque
Martti	MAHRT-tee	Finnish
Malina (2)	mah-LEE-nah (Polish)	Bulgarian, Serbian, Polish
Murtada	-	Arabic
Rajesh	-	Indian, Hindi, Marathi, Bengali, Gujarati, Punjabi, Tamil, Telugu, Kannada, Malayalam, Nepali
Tirtzah	-	Hebrew, Biblical Hebrew