a double-edged sword

something that causes both advantages and problems His great intelligence was a real double-edged sword because he never felt he could communicate with ordinary people.

Common Names:

Name	Pronounced	Usage
Clelia	-	Italian
Nandita	-	Indian, Hindi, Marathi
Solfrid	-	Norwegian
Pasquale	-	Italian
Collen	['kɔlin]
Izar	-	Basque