油ゆ断だんさせる

expression, ichidan verb

make someone let their guard down; lull someone into a false sense of security

Causative form of 油断する, used when someone or something causes another person to become careless or off guard.

• 彼かれの優やさしい言こと葉ばが私わたしを油ゆ断だんさせた。

  His kind words made me let my guard down.

• 相あい手てを油ゆ断だんさせる作さく戦せんだ。

  It's a strategy to make the opponent drop their guard.