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
Ionel	yo-NEL	Romanian
Proctor	['prɔktə]
TeÓFilo	te-O-fee-lo (Spanish)	Spanish, Portuguese
Aldhard	-	Ancient Germanic
Zelde	-	Yiddish
Nassim	nah-SEEM	Arabic