1
a tremor in [body part]
He noticed a tremor in his left hand.
他注意到左手有一阵颤抖。
颤抖；发抖
先理解核心含义，再看它在真实句子里的用法。
颤抖；发抖
involuntary shaking or trembling of the body
He noticed a tremor in his left hand.
他注意到左手有一阵颤抖。
指身体不自主的抖动，不是地震。
摇动、颤抖或振动
A shake, quiver, or vibration.
地震
An earthquake.
Her voice had a slight tremor as she spoke about the accident.
她说到那起事故时，声音微微颤抖。
The old man's hands show a constant tremor, but he can still write.
老人双手不停颤抖，但还能写字。
A tremor ran through the dog's body when the thunder started.
雷声响起时，狗的身体一阵颤抖。
He noticed a tremor in his left hand.
他注意到左手有一阵颤抖。
A tremor of excitement ran through the crowd.
一阵兴奋的激动掠过人群。
此用法指小地震。
The region was hit by a minor tremor yesterday.
该地区昨天发生了一次轻微地震。
Not this
He tremor during the earthquake.
Use this
He trembled during the earthquake.
tremor 是名词，不能直接用作动词。表示‘颤抖’应使用动词 tremble，且注意时态变化。
Not this
He has tremor in his hands.
Use this
He has a tremor in his hands.
tremor 是可数名词，当表示‘震颤’时通常需要不定冠词 a 或根据复数形式使用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
轻微震颤
The doctor noticed a slight tremor in his hands.
医生注意到他的手有轻微震颤。
手部震颤
Her hand tremor made it difficult to write.
她的手部震颤使她写字困难。
小地震；轻微地震
A sudden earth tremor shook the village.
突然的小地震震动了村庄。
火山震颤
Seismologists recorded a volcanic tremor before the eruption.
地震学家在喷发前记录到了火山震颤。
声音颤抖
There was a tremor in her voice as she spoke.
她说话时声音颤抖。
特发性震颤
Essential tremor is a common neurological disorder.
特发性震颤是一种常见的神经系统疾病。
Use tremor naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 tremble（发抖）的动作，想象地震时大地像人一样不住颤抖——tremor 即“震动/地震”。
语域：mixed 常见场景：medical reports、news coverage of earthquakes、literary descriptions 该词正式程度随语境变化：表示地震时多用于新闻报道或正式说明；表示身体发抖时常见于医学或书面描写。日常口语中更常说 shaking 或 trembling。
这些词都以 -or 结尾，其中 terror（/ˈtɛrər/）与 error（/ˈɛrər/）押韵，rumor（/ˈruːmər/）与 humor（/ˈhjuːmər/）押韵。它们与 tremor（/ˈtrɛmər/）都不押韵：tremor 中为 -m-，而 terror/error/mirror/horror 中是 -r-；rumor/humor 的元音 /uː/ 也不同。注意 mirror 和 horror 虽然形似，但元音分别读 /ɪ/ 和 /ɔː/。
Dictionary facts from ECDICT, WIKTIONARY.