Word · Frequency #21932
knockings
敲击；敲门声
knockings is the plural of knocking.
An act or sound of knocking on something
- 1.
An act in which something is knocked on, or the sound thus produced
敲击的动作,或由此产生的声音。
- 2.
A repetitive ping, knock, or similar sound coming from an engine in which there are repeated uncontrolled explosions in the combustion chamber.
发动机燃烧室内反复发生不受控爆炸而发出的重复的砰声、敲击声或类似声响。
发动机爆震声；敲缸声；敲击的动作,或由此产生的声音。；发动机燃烧室内反复发生不受控爆炸而发出的重复的砰声、敲击声或类似声响。；爆震内燃机
In use
The mechanic diagnosed the engine knocking as a result of low-octane fuel.
If you hear a persistent knocking from the engine, it may indicate a serious problem.
The loud knocking on the door startled everyone in the room.
knocking at/on [something]
常与 at/on 搭配，指明被敲击的对象；此义侧重敲击的动作或声音。
There was a soft knocking on the window.
窗子上有轻轻的敲击声。
hear knocking
knocking 作不可数名词，指听到的敲击声音。若指多次具体的敲击，可用复数 knockings。
We heard knocking from the apartment below.
我们听到楼下的公寓传来敲击声。
engine knocking
此为发动机故障术语，描述气缸内不受控爆炸产生的重复声响，与敲门声无关。
Connections
Collocations
- a knocking at the door
- 敲门声
- I heard a knocking at the door, but no one was there.我听到敲门声，但那里没有人。
- knocking sound
- 敲击声
- The machine made a strange knocking sound.机器发出奇怪的敲击声。
- loud knocking
- 响亮的敲击声
- A loud knocking woke everyone in the house.响亮的敲击声吵醒了屋里的所有人。
- engine knocking
- 发动机爆震
- Engine knocking usually indicates a problem with the fuel mixture.发动机爆震通常表明燃油混合气有问题。
- persistent knocking
- 持续不断的敲击声
- The persistent knocking on the wall annoyed the neighbors.持续不断的敲墙声让邻居们很恼火。
Idioms & figurative uses
Learner notes
Memory Tip
敲门knock加上-ing，联想连续敲击的动作和“咚咚”声；发动机爆震也是这种重复的敲击感，记“knocking=敲个没完”。
Context & Register
语域：mixed 常见场景：日常交谈、车辆维修与机械说明 作名词时通常指敲击的动作或声音，属于日常用语；在汽车或机械语境中常特指发动机爆震或敲缸的异常声响。正式程度视语境而定，多用于口语或技术说明。
Grammar Note
不可数名词
Pronunciation & Spelling
以上单词都以 -ocking 结尾，与 knocking /'nɔkiŋ/ 押韵。注意以 kn- 开头的形似词，如 knowledge /'nɔlidʒ/ 和 knuckle /'nʌkəl/，其中的 k 不发音，但读音与 knocking 并不押韵。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY, WORDNET.