Act your age!

Behave more maturely! (A rebuke for someone who is acting childish. Often said to a child who is acting like an even younger child.) Child: Aw, come on! Let me see your book! Mary: Be quiet and act your age. Don't be such a baby!

Common Names:

Name	Pronounced	Usage
Urania	yuw-RAY-nee-ə (English)	Greek Mythology (Latinized)
Polat	-	Turkish
ÇEtİN	-	Turkish
ŁUkasz	WUW-kahsh	Polish
Sabah Ud-Din	-	Arabic (Rare)
Gerasim	-	Russian, Macedonian