know chalk from cheese

To be able to tell two things apart (especially by recognizing their differences). Of course I know which twin is which, I know chalk from cheese, after all! Leah has a beauty mark under her left eye, and Deena doesn't.

Common Names:

Name	Pronounced	Usage
Celia	SEEL-yə (English), SEE-lee-ə (English), THE-lyah (Spanish), SE-lyah (Latin American Spanish), CHE-lyah (Italian)	English, Spanish, Italian
Carl	KAHRL (German, English)	German, Swedish, Norwegian, Danish, English
Breanna	bree-AN-ə, bree-AHN-ə	English
Arij	-	Arabic
Adele	AH-de-lə (German), ə-DEL (English), AH-de-le (Finnish)	German, English, Italian, Finnish
Teige	-	Irish