take (someone) for a fool

To presume or believe that someone is very stupid or foolish. I'd advise you not to take her for a fool. She may play dumb, but she's very crafty.

Name	Pronounced	Usage
Wilf	WILF	English
Thokozani	to-ko-ZAH-nee	Southern African, Chewa
Leela	-	Indian, Hindi, Telugu, Kannada, Tamil, Malayalam
Mcgee	[mə'gi]
Erwan	-	Breton
Eleutherius	-	Late Greek (Latinized)