鎧がい袖しゅう一いっ触しょく

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Meanings

1

defeating easily; beating hands down; with a single blow

yojijukugo (four-character idiom)

A yojijukugo meaning to defeat an opponent effortlessly, as if with one touch of the sleeve of one's armor. Used in literary or emphatic contexts.

彼かれは相あい手てを鎧がい袖しゅう一いっ触しょくで倒たおした。
He defeated his opponent with a single blow.
その試し合あいは鎧がい袖しゅう一いっ触しょくの勝しょう利りだった。
The match was a hands-down victory.