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
MÀIri	MA:-ree	Scottish
Tsvetko	-	Bulgarian
Emilia	e-MEEL-yah (Italian, Spanish, Polish), E-mee-lee-ah (Finnish), e-MEE-lee-ah (Swedish)	Italian, Spanish, Romanian, Finnish, Polish, Swedish, Norwegian, Danish, English
Appleby	['æplbi]
Forrest	['fɔ:rist]
Edmonda	-	Italian