一(いち)ころtrouncing, beating somebody hands down

サメに命(いのち)を狙(ねら)われたら一(いち)ころだ。

If a shark targets your life, it would beat you hands down. {trouncing, beating somebody hands down}

何(なん)枚(まい)も上手(うわて)の選手(せんしゅ)にいちころにされました。

I was beaten hands down by the skilled player repeatedly. {trouncing, beating somebody hands down}

転校生(てんこうせい)の爽(さわ)やかな笑顔(えがお)にクラスの女子(じょし)はイチコロだった。

The girls in the class were completely smitten by the refreshing smile of the transfer student. {trouncing, beating somebody hands down}

子供(こども)：「あいつなんか一(いち)ころさ！僕(ぼく)の方(ほう)がずっと強(つよ)いんだい！」

Child: "I can easily trounce that guy! I'm way stronger!" {trouncing, beating somebody hands down}

このどんな害虫(がいちゅう)も一(いち)ころの強力(きょうりょく)な殺虫(さっちゅう)剤(ざい)を使(つか)えば虫(むし)に悩(なや)む生活(せいかつ)ともおさらばです。

With the use of this powerful insecticide, you can bid farewell to a life plagued by any kind of pests, beating them hands down. {trouncing, beating somebody hands down}