一ひと筋すじ縄なわでいかない

expression, i-adjective

not straightforward; hard to manage; tricky

Describes a person, situation, or problem that cannot be handled with simple or conventional methods; implies stubbornness, complexity, or unruliness.

See also: 一筋縄ではいかない

• 彼かれは一ひと筋すじ縄なわでいかない相