knockout ['n?kaut]

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1.擊倒（名詞，體育術(shù)語）

2.出色的，拉風(fēng)的（形容詞，俚語）

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1 .(noun, SPORTS) A blow in a boxing match, usually to the head, that renders the opponent unconscious or too injured to continue fighting.

2. (adjective, SLANG) An exceptionally attractive or impressive person or thing. (NOTE: also “knock-out”)

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EXAMPLE 1: Within a minute after the fight began, the famous fighter won the championship with a knockout.

1、比賽開始后不到一分鐘，這位著名拳手就把對方擊倒在地，贏得了冠軍頭銜。

EXAMPLE 2: My beautiful new automobile is such a knockout that it draws everyone’s attention when I drive to work.

2、我這部漂亮的新車很是拉風(fēng)，開著它上班，能吸引所有人的目光。

to be on the up-and-up

誠實守法

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Informal expression meaning honest, legitimate, free from deceit. (NOTE also “on the up and up” without hyphens)

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EXAMPLE: In business it's always important to be on the up-and-up so people will know they can trust you.

在商界，誠實守法非常重要，只有這樣，人們才認為你可以信任。