be no mean feat

To be a considerably great, difficult, or noteworthy achievement or outcome. Defeating an incumbent president is no mean feat, but we feel confident that our candidate has what it takes. Well done, John. Getting an A+ on that exam was no mean feat!

Common Names:

Name	Pronounced	Usage
Dulce	DOOL-the (Spanish), DOOL-se (Latin American Spanish)	Spanish, Portuguese
Rohese	-	Medieval English
Tanja	TAHN-yah (German, Finnish)	German, Finnish, Serbian, Croatian, Slovene, Macedonian, Danish, Swedish, Norwegian
Nikolaj	-	Danish, Slovene
Valary	VAL-ə-ree	English (Rare)
Gholam	-	Persian