ゴルディアスの結むすび目め

expression, noun

Gordian knot

Refers to the legendary knot tied by Gordius, used metaphorically for an intricate problem solved by bold action.

• その問もん題だいはまさにゴルディアスの結むすび目めだったが、彼かれは一いっ気きに解かい決けつした。

  That problem was truly a Gordian knot, but he solved it in one stroke.