do level best

do your level best

to try very hard to do something (often + to do sth) Tickets are quite hard to come by but I'll do my level best to get you one.

Name	Pronounced	Usage
Kato	-	Eastern African, Ganda
Truls	-	Norwegian, Swedish
Dickey	['diki]
Bergljot	-	Norwegian
Curtis	['kə:tis]
Mathys	-	French