excel at

excel at something

and excel in something

to do something in a superior fashion. She really excels at running. Wally does not excel at anything. Frank always hoped he would excel in math.

Name	Pronounced	Usage
Kenzie	KEN-zee	English
Velvela	-	Yiddish
Ercilia	-	Spanish
Bonnie	BAHN-ee	English
Warin	-	Ancient Germanic
Valentin	VAH-len-teen (German), vah-lyen-TEEN (Russian), vah-leen-TEEN (Russian)	French, Romanian, German, Danish, Swedish, Norwegian, Czech, Russian, Bulgarian, Slovene, Croatian,