look through a millstone

To have exceptional powers of perception. A millstone is opaque and thus is impossible to see through. I knew he was a dishonest person the minute I met him. I can look through a millstone, you know.

Common Names:

Name	Pronounced	Usage
Fay	FAY	English
Marni	-	English
Ffransis	-	Welsh
Meredith	MER-ə-dith (English)	Welsh, English
Nur	NOOR (Arabic)	Arabic, Turkish, Urdu, Uyghur, Indonesian, Malay
Ranulph	-	Scottish