adj.形容詞讓人印象深刻的Their first date was such a romantic knockout!
n.名詞擊倒對手The paramedics intervened at the match ended in a knockout
n.名詞擊倒The boxer won the match by a knockout in the fifth round.
v.t.及物動詞擊倒The champion knocked out his opponent with a powerful uppercut.
n.名詞徹底的勝利The new product was a knockout, quickly outselling all competitors.
v.t.及物動詞淘汰The company's innovative strategy knocked out several smaller businesses.
n.名詞麻醉劑The doctor gave him a knockout to prepare him for the surgery.
v.t.及物動詞擊昏The robber knocked him out with a blow to the head.
n.名詞基因剔除The researchers created a knockout mouse to study the gene's function.