1
a flutter of [noun]
A flutter of wings announced the bird's departure.
一阵翅膀的扑动宣告了鸟的离去。
飘动；摆动；颤动
先理解核心含义，再看它在真实句子里的用法。
飘动；摆动；颤动
a quick, light, irregular movement or vibration; the act or state of fluttering
A flutter of wings announced the bird's departure.
一阵翅膀的扑动宣告了鸟的离去。
拍动的动作或多次拍动；拍动的来回运动；拍动状态
The act of fluttering, or multiple acts thereof; the back-and-forth motion of fluttering; a state of fluttering.
来回移动的动作
the act of moving back and forth
快速且不规则的运动或振动,或多次这样的运动
A quick and irregular motion or vibration, or multiple such motions.
心房异常快速搏动(尤指节律规整)；可导致心脏传导阻滞
abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
The flag gave a sudden flutter in the strong wind.
旗帜在强风中突然颤动了一下。
She felt a flutter of nervousness before her speech.
她在演讲前感到一阵紧张不安。
He had a little flutter on the horse race and won some money.
他在赛马上小小赌了一把，赢了些钱。
A flutter of wings announced the bird's departure.
一阵翅膀的扑动宣告了鸟的离去。
常作表语或状语，表示紧张状态。
She was in a flutter before the interview.
面试前她紧张不安。
英国口语用法，指小额赌博。
He likes to have a flutter on the horses.
他喜欢在赛马上下点小赌注。
Not this
She felt flutter in her heart.
Use this
She felt a flutter in her heart.
"flutter" 作为可数名词表示"一阵颤动"时，前面需要不定冠词 "a"。中文的"心中一阵颤动"中"一阵"对应英语的冠词，漏用会导致语法错误。
Not this
He fluttered on the horse.
Use this
He had a flutter on the horse.
在英式英语中，"flutter" 作名词表示"小额赌注"，常用短语 "have a flutter"。学习者可能误将其用作动词，但"flutter"作动词时没有赌博含义，因此需用名词结构。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
翅膀的扑动
The flutter of wings announced the bird's arrival.
翅膀的扑动宣告了鸟的到来。
睫毛的颤动
She gave a flirtatious flutter of her eyelashes.
她挑衅地眨了眨眼睫毛。
房性扑动
The patient was diagnosed with atrial flutter.
该患者被诊断为房性扑动。
一阵激动
A flutter of excitement ran through the crowd.
一阵激动传遍人群。
一阵恐慌
A flutter of panic seized her as she realized she was lost.
当她意识到自己迷路时，一阵恐慌攫住了她。
紧张不安
She was all in a flutter before her first date.
她在第一次约会前紧张不安。
心慌意乱；紧张不安
She was in a flutter before her big presentation.
她在重要的演讲前心慌意乱。
匆匆而过；飞掠而过
The days seem to flutter by when you're having fun.
开心的时候，日子似乎飞掠而过。
小赌一把；打赌
He likes to have a flutter on the horses at the weekend.
他喜欢在周末赌马小赌一把。
我太累了，一夜没合眼，我太累了，脑子一片空白，我在想是不是该起来弄杯饮料，我太累了不知道该怎么办。但我太累了，我胸口一阵悸动。
The sudden flutter of the butterfly's wings caught my eye.
蝴蝶翅膀的突然颤动引起了我的注意。
Use flutter naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象蝴蝶（butterfly）扑动（flutter）翅膀，记住flutter是快速轻颤的动作。
语域：neutral 常见场景：physical movement (e.g., flag, wings)、medical condition (atrial flutter)、disorderly outburst 该词作为名词时，多义项涵盖不同语境，包括物理扑动、医学术语和骚乱，整体语体较中性。具体使用需根据上下文判断。
名词，可数；表示'一阵颤动'时常用 a flutter of；表示'小额赌注'时用于 have a flutter 中。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.