act (one's) age

To act in accordance with one's expected level of maturity. Really, John, act your age a little, you're like a child sometimes. I'm glad that Sarah is so committed to her studies, but sometimes I wish she would act her age and go out with friends a bit.

Common Names:

Name	Pronounced	Usage
Shafiq	-	Arabic
Thomas	TAHM-əs (English), TOM-əs (English), to-MAH (French), TO-mahs (German, Dutch), tho-MAHS (Greek)	English, French, German, Dutch, Swedish, Norwegian, Danish, Greek, Biblical, Biblical Latin, Biblica
Karlmann	-	German (Archaic)
CÁNdido	KAHN-dhee-dho	Spanish
Parnel	-	English (Archaic)
Aingeal	-	Irish