気きが転てん倒とうする

expression, suru verb (irregular)

lose one's presence of mind; get flustered; be thrown off balance

Describes a state of mental agitation where one cannot think clearly, often due to surprise, shock, or panic. The expression is somewhat formal and less common in casual speech.

• 突とつ然ぜんの知しらせに気きが転てん倒とうして、何なにも言いえなかった。

  I was so flustered by the sudden news that I couldn't say anything.

• 彼かれは事じ故この現げん場ばを見みて気きが転てん倒とうしたようだ。

  He seemed to lose his presence of mind after seeing the accident scene.