挙きょ措そを失うしなう

expression, godan verb (-u)

lose one's composure; lose one's temper

A formal, somewhat literary expression for becoming visibly flustered or losing self-control, often in a social situation.

• 彼かれは突とつ然ぜんの質しつ問もんに挙きょ措そを失うしなった。

  He lost his composure at the sudden question.

• その場ばの雰ふん囲い気きに飲のまれて挙きょ措そを失うしなってしまった。

  Overwhelmed by the atmosphere, I lost my composure.