"knock out a target"
"the boxing champion knocked out his opponent in a few seconds"
"The windows were knocked out"
"All the guys were knocked out by her charm"
"knocked out a pipe"
1.使不省人事；使入睡
Toknock someoneout means to cause them to become unconscious or to go to sleep.
e.g. He was arguing with his girlfriend and she hit him with a frying pan! Nearly knocked himout...
他和女友争吵时女友竟拿煎锅砸他！几乎把他砸晕了过去。
e.g. The three drinks knocked himout...
3杯酒就让他昏昏入睡了。
2.击败；淘汰
If a person or teamis knocked out of a competition, they are defeated in a game, so that they take no more part in the competition.
e.g. Henri Leconte has been knockedout in the quarter-finals of the Geneva Open...
亨利·勒孔特在日内瓦公开赛四分之一决赛中被淘汰。
e.g. The Irish came so close to knocking Englandout of the European Championships.
爱尔兰队险些将英格兰队从欧锦赛中淘汰出局。
3.摧毁；使瘫痪
If somethingis knocked out by enemy action or bad weather, it is destroyed or stops functioning because of it.
e.g. Our bombers have knockedout the mobile launchers...
我们的轰炸机摧毁了移动火箭发射台。
e.g. A storm has made roads treacherous and knockedout power.
一场暴风雨致使公路隐患重重且电力瘫痪。
1. 击倒：90年代中期,FOSTER等以基因击倒(knockout)的整形技术,获得缺失blrl(blrl-1-)的小鼠,并发现食道癌这种小鼠缺少髂淋巴结,不形成或只形成部分形态不正常的派伊尔氏小结,同时,淋巴两性细胞游走到脾脏滤泡的过程受到严重损坏,
2. 敲空;(拳击中)击倒：knock off 把...敲掉;击倒;停工 |knockout 敲空;(拳击中)击倒 | know about 了解,知道...的情况
3.knock out：ko; 击倒
我听到他在壁炉上敲出烟灰的声音。
Please see the pattern he has hammered out.请参看他敲出的这个模子。
He was defeated with a knock out.他被击倒出局。
The brick connected on her head, knocking her out.砖击中了她的头部并把她击倒了。
His hopes were nearly snuffed out.他的希望几乎都被打破了。
He broke the window so that he could shoot out.他打破了窗户，便可以向外开枪了。
He smiled, and his smile revealed the loss of two front teeth, knocked out by the butt-end of a gun at Ismail.上尉答道，他的鼻子涨红了，面露微笑，微笑时张开他在伊兹梅尔城下被枪托打落两颗门牙的缺口。
The other boxer put Jim out in the third round.第三个回合拳击手将吉姆打昏了。
The pit-prop fell on his head and knocked him out.坑木掉在他头上，把他打昏过去。
He was arguing with his girlfriend and she hit him with a frying pan! Nearly knocked him out...他和女友争吵时女友竟拿煎锅砸他！几乎把他砸晕了过去。
The three drinks knocked him out...3杯酒就让他昏昏入睡了。
Henri Leconte has been knocked out in the quarter-finals of the Geneva Open...亨利·勒孔特在日内瓦公开赛四分之一决赛中被淘汰。
The Irish came so close to knocking England out of the European Championships.爱尔兰队险些将英格兰队从欧锦赛中淘汰出局。
Our bombers have knocked out the mobile launchers...我们的轰炸机摧毁了移动火箭发射台。
A storm has made roads treacherous and knocked out power.一场暴风雨致使公路隐患重重且电力瘫痪。
Sir? What if they fail to knock out the Invid defense shields?长官? 如果他们没能打破因维德防卫盾 怎么办 ?
They discovered how to inactivate knock out, single genes in laboratory animals.他们发现如何使实验用动物体内个体特定基因不活跃、失去作用.
Raid on the city, knock out, evil tusks.袭击每个城市, 打垮他们, 罪恶之牙.
Less ash than that would knock out electrical power and relay stations.而火山灰数量稍少的地区,电力站与通讯中继站可能会遭到破坏.
That means Chelsea still have 13 players involved in the knock out stages.这就意味着蓝军球员仍旧有13名球员将参加淘汰赛阶段的比赛.
Storms knock out power , but don cool off southern Asia.暴风雨突然来袭, 但没有给南亚天气带来凉意.
Benjamin is a knock out.本杰明是一位英俊的男士.
The enemy charged up the mountain, attempting to knock out our forces.敌人向山上冲锋, 企图把我们的兵力摧毁掉.
The team will now attempt to knock out both copies of the gene.他们在试图将这个基因的两个副本都去除.
The selected object has been manually set to knock out all overlapped objects with no traps.所选对象已人工设为挖空所有交叠的对象,且不补漏白.
knock out the wedges.(俚语)使人陷入困境而冷眼旁观.
The boxer scored a knock out.这位拳击手将敌手击昏得分.
He cannot read music but he can knock out a tune on the piano.他不识谱,但却能在钢琴上胡乱弹出乐曲.
I heard him knock out his pipe on the mantelpiece.我听到他在壁炉上敲出烟灰的声音.
The government decided to knock out gambling.当局决定取缔赌博活动.
Come and join the contest street cafes, and continuing offensive to knock out the side.快来参加街头的比武吧, 用连续不断的凌厉攻势将对方击倒.
In the second that the boxer was off guard, his opponent landed a knock out punch.拳击手未留意的那一刹那, 对方即把他击倒了.
He is not a very accomplished pianist, but he can knock out a tune.他不是一个造诣很深的钢琴察, 但可以凑合着弹奏一曲.
