knock out - Definition & Meaning

knock out

第三人称

knocks out

现在进行时

knocking out

过去式

knocked out

过去完成时

knocked out

击倒, 使失去知觉

to make someone or something unconscious

及物动词

The anesthesia will knock you out before the surgery.
麻醉会在手术前让你失去知觉。
The sudden impact of the car crash could knock out the driver.
车祸的突然冲击可能会击昏司机。
The tranquilizer dart, expertly aimed, successfully knocked out the agitated elephant for a safe veterinary examination.
镇静剂飞镖，精准瞄准，成功击倒了激动的大象，以便进行安全的兽医检查。
The unexpected blow to the head during the accident knocked him out temporarily until help arrived.
事故中头部受到的意外打击使他暂时昏迷，直到救援到来。
The fumes from the chemical spill knocked out the workers in the lab.
化学泄漏产生的烟雾使实验室里的工人昏迷了。

淘汰, 击败

to defeat someone or a group decisively in a competition

及物动词

The underdog team managed to knock out the reigning champions in the tournament.
不被看好的队伍在比赛中成功淘汰了卫冕冠军。
She knocked out the competition with her innovative design.
她以创新的设计击败了竞争对手。
The company's new marketing strategy aimed to knock out their competitors.
公司的新营销策略旨在击倒竞争对手。
The team aimed to knock the reigning champions out of the tournament.
该团队旨在将卫冕冠军淘汰出锦标赛。

摧毁, 使失效

to forcefully destroy or break something

及物动词

The strong winds knocked out power lines all over the neighborhood.
强风摧毁了整个社区的电力线。
The car accident was so severe that it knocked out the entire front end of the vehicle.
车祸非常严重，以至于摧毁了整个车辆的前端。
The demolition team had to carefully plan how to knock the dilapidated bridge out.
拆除团队不得不仔细计划如何拆除那座破旧的桥梁。
A stray baseball knocked out one of the garage windows, shattering it into pieces.
一个迷路的棒球击碎了车库的一扇窗户，把它打成了碎片。
They used a wrecking ball to knock the old, abandoned building out.
他们用破坏球摧毁了那座旧废弃建筑。

倒空, 移除

to empty, typically referring to the removal of tobacco from a container

及物动词

She needed to knock out the old tobacco from the cigar before lighting it.
她需要在点燃雪茄之前敲出旧的烟草。
The process of knocking out the used tobacco from the hookah was a bit messy.
从水烟筒中清除用过的烟草的过程有点混乱。
After smoking, he would always knock out the ashes from his pipe.
抽完烟后，他总是把烟斗里的灰敲出来。
The worker carefully knocked out the ashes from the ashtray.
工人小心地从烟灰缸里敲出了灰烬。

惊艳, 震撼

to amaze someone to the point where they are filled with admiration or wonder

及物动词

The breathtaking view from the mountaintop knocked me out.
山顶上令人叹为观止的景色让我惊叹不已。
Her stunning performance on stage really knocked the audience out.
她在舞台上的惊艳表演真的震撼了观众。
The talented young artist's work always manages to knock out art enthusiasts.
这位才华横溢的年轻艺术家的作品总能震撼艺术爱好者。
The surprise proposal at the Eiffel Tower completely knocked her out.
在埃菲尔铁塔上的惊喜求婚完全震撼了她。
The skill and dedication of the firefighters never fail to knock us out.
消防员的技能和奉献精神总能让我们惊叹不已。

完成, 搞定

to finish a task, often quickly and efficiently

及物动词

We need to knock out this report by the end of the day.
我们需要在今天结束前完成这份报告。
He managed to knock out all the paperwork in record time.
他设法在创纪录的时间内完成了所有的文书工作。
The team worked together to knock out the project ahead of schedule.
团队共同努力完成了项目，比计划提前。
She was able to knock out her assignments during the weekend.
她能够在周末完成她的作业。
With the right tools, he can knock out home repairs in no time.
有了合适的工具，他可以很快完成家庭维修。

通过敲击特定的模式来传达信息, 通过编码的敲击声传递信息

to convey a message by making specific knocking sounds or patterns

及物动词

They would knock out a pattern to let their friends know they were outside.
他们会敲出一个模式让他们的朋友知道他们在外面。
In the spy movie, the agent knocked out a secret message on the door.
在这部间谍电影中，特工通过敲门传达了一条秘密信息。
To enter the club, you have to knock out a specific rhythm on the door.
要进入俱乐部，你必须在门上敲出特定的节奏。
The prisoners used the Morse code to knock out messages on the cell walls.
囚犯们用摩尔斯电码在牢房墙壁上敲出信息。
During the blackout, they had to knock out a signal to confirm their presence.
在停电期间，他们不得不敲出一个信号来确认他们的存在。

击倒, 使入睡

to cause someone to fall asleep

及物动词

The sleeping pills will knock me out in no time.
安眠药会立刻让我昏睡。
After a long day at work, a warm cup of herbal tea can help knock you out and promote relaxation.
在漫长的一天工作之后，一杯温暖的草药茶可以帮助击倒你并促进放松。
The gentle lullaby and rocking motion helped knock out the fussy baby, finally bringing peaceful sleep.
轻柔的摇篮曲和摇晃的动作帮助击倒了烦躁的婴儿，最终带来了平静的睡眠。

消除, 根除

to remove something, often swiftly and completely

及物动词

The new pest control method effectively knocked out the infestation of insects in the house.
新的害虫控制方法有效地清除了家中的昆虫侵扰。
He knocked the virus out with a powerful antivirus program.
他用一个强大的杀毒程序清除了病毒。
The medical breakthrough promised to knock out the harmful bacteria in the body without affecting beneficial microbes.
这一医学突破承诺在不影响有益微生物的情况下清除体内的有害细菌。
The city authorities implemented a program to knock out pollution by introducing stricter emissions standards.
城市当局实施了一项计划，通过引入更严格的排放标准来消除污染。