正しょう気きとは思おもえない

expression, i-adjective

not in one's right mind; insane

Used to express that someone's actions, words, or state of mind seem irrational or crazy. Often carries a strong emotional tone of disbelief or shock.

• 彼かれがそんなことを言いうなんて、正しょう気きとは思おもえない。

  I can't believe he would say something like that; he must be out of his mind.

• こんな計けい画かくを実じっ行こうするなんて、正しょう気きとは思おもえないよ。

  Carrying out a plan like this is insane.