Idiom: A Double-Edged Sword

something with good and bad effects

Examples

• Fame is a double-edged sword.

Key rules

• A double-edged sword means something with both good and bad effects
• It is used with "be" or "is": fame is a double-edged sword
• It is a figurative idiom
• The article "a" comes before "double-edged"

Common mistakes

• Fame is double-edged sword → Fame is a double-edged sword