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
April	AY-pril	English
Amann	['æmən]
Efthymia	-	Greek
Esteri	ES-te-ree	Finnish
BÅRd	-	Norwegian
Cherice	shə-REES	English (Rare)