noun
versatile; all-round; jack of all trades
Describes a person who is competent and active in many different fields. Often used in a positive sense, but can imply breadth rather than depth. Literally 'eight faces and six arms'.
彼は八面六臂の活躍で会社を支えている。
He supports the company with his versatile and all-round efforts.
八面六臂の才能を持つ人は珍しい。
People with versatile talents are rare.