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
Aetius	-	Ancient Roman
Yan (2)	-	Chinese
Selma	SEL-mə (English), ZEL-mah (German)	English, German, Dutch, Swedish, Norwegian, Danish, Icelandic
Natsuki	nah-tsoo-kee	Japanese
Rupert	RUY-pərt (Dutch), ROO-pərt (English), RUW-pert (Polish)	German, Dutch, English, Polish
Haruki	hah-ṙoo-kee	Japanese