KO

1、Kick Out。Kick Out的意思比較多，例如：解僱，踢，拼命抵抗 。

句例：If the new actor is no good, kick him out。 如果那個新來的演員不怎麼樣就解僱他。

The horse kicked out at them. 馬兒踢了他們。

He'll kick out if you treat him like that. 要是你那樣對待他， 他會盡力反抗的。

2、Keep Off 讓開；;不讓接近

句例： Dangers! Keep off! 危險！勿走近!

3、Keep Out 使……在外；【印】疏排(以增篇幅)；切勿入內，嚴禁入內

句例：Dangers!Keep out! 危險!禁止入內!

The best cuts of the meat were kept out for the sick and wounded. 最好的幾塊肉留給了傷病員。

4、K.O =Kill Operation 必殺技的意思