一いっ瞬しゅん絶ぜっ句く

noun, noun or participle which takes 'suru'

momentarily speechless; breaking off short

Describes a sudden, brief loss for words due to surprise, shock, or embarrassment. Often used with する to mean 'to be rendered speechless for a moment'.

• 彼かれの突とつ然ぜんの告こく白はくに、彼かの女じょは一いっ瞬しゅん絶ぜっ句くした。

  She was momentarily speechless at his sudden confession.

• あまりの無ぶ礼れいな言こと葉ばに、一いっ瞬しゅん絶ぜっ句くして何なにも言いえなかった。

  I was so taken aback by the rude remark that I broke off short and couldn't say anything for a moment.