一いち撃げきのもとに

expression, adverb

with a single blow; with one stroke

Describes defeating, destroying, or knocking down someone or something in one decisive hit. Often used in dramatic or emphatic contexts.

• 彼かれは相あい手てを一いち撃げきのもとに倒たおした。

  He knocked down his opponent with a single blow.

• その剣けん士しは敵てきを一いち撃げきのもとに切きり捨すてた。

  The swordsman cut down his enemy with one stroke.