known quantity

someone whose character, personality, and behavior are recognized and understood. We need not worry about how John will behave. He is a known quantity. Lisa is a known quantity and I am sure she will not surprise us by voting with the opposition.

Common Names:

Name	Pronounced	Usage
Lavra	-	Slovene
Iancu	-	Romanian
Christy (1)	KRIS-tee	English
Robert	RAH-bərt (English), ro-BER (French), RO-bert (German), RO-bərt (Dutch), RAW-bert (Polish), RO-byert (Russian), RO-beert (Russian)	English, French, Swedish, Norwegian, Danish, German, Dutch, Czech, Slovak, Polish, Russian, Slovene,
Drogo	-	English (Archaic)
Dushyanta	-	Hinduism