knock out

US /nɑk aʊt/

UK /nɔk aut/

A2 初級
phr. v.句動詞なぐり倒す
The criminal wanted to knock out his victim before doing anything else
v.t./i.動詞 (他動詞/自動詞)打ち負かす
The champion knocked out his opponent in the first round.
v.t./i.動詞 (他動詞/自動詞)破壊する
The explosion knocked out the power supply to the building.
v.t./i.動詞 (他動詞/自動詞)意識を失わせる
The thief knocked him out with a blow to the head.
phr. v.句動詞打ち負かす
The underdog managed to knock out the champion in a stunning upset.
phr. v.句動詞ノックアウトする
The boxer knocked his opponent out in the first round.
phr. v.句動詞打ち負かす
Our team was knocked out of the competition in the semi-finals.
phr. v.句動詞驚かせる
Her performance really knocked me out.

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蜂毒はHIVを殺すことができる、研究は言う

01:31蜂毒はHIVを殺すことができる、研究は言う