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there be [adj] jitter in [sth]
此处 jitter 指画面或信号中的微小快速波动。
There is noticeable jitter in the image.
图像中有明显的抖动。
抖动；跳动
先理解核心含义，再看它在真实句子里的用法。
抖动；跳动
small rapid variations in a waveform caused by voltage fluctuations, vibrations, or other sources
There is noticeable jitter in the image.
图像中有明显的抖动。
常用于电子、通信等技术领域
紧张的动作；抽搐
A nervous action; a tic.
执行即时编译的程序或例程；即时编译器。
A program or routine that performs jitting; a just-in-time compiler.
信号特征突然且不希望的变化。
An abrupt and unwanted variation of one or more signal characteristics.
为避免视觉重叠而对数据点进行随机定位。
A random positioning of data points to avoid visual overlap.
The video has a little jitter, so the picture shakes slightly.
这段视频有点抖动，所以画面轻微晃动。
I noticed some jitter in the mouse cursor when I moved it quickly.
我注意到鼠标指针快速移动时有些抖动。
The drone hovered with constant jitter, making its footage unstable.
无人机悬停时持续抖动，导致拍摄的镜头不稳定。
此处 jitter 指画面或信号中的微小快速波动。
There is noticeable jitter in the image.
图像中有明显的抖动。
jitters 通常用复数，并与 the 连用，表示紧张慌乱。
She always gets the jitters before an interview.
她面试前总是紧张不安。
jitter 作动词是不及物动词，表示连续轻微抖动或紧张地乱动。
The cursor jittered slightly.
光标轻微抖动。
Not this
I feel jitter before the exam.
Use this
I feel jittery before the exam.
jitter 是动词或名词，不是形容词，不能直接放在 feel 后作表语。表达“紧张的、心神不宁的”要用形容词 jittery，因此改成 jittery。
Not this
I have a jitter about the interview.
Use this
I have the jitters about the interview.
表示“紧张不安”时，英语用复数名词 the jitters，是固定搭配，不用单数 a jitter；单数 jitter 多用于技术义“信号抖动”。所以应把 a jitter 改为 the jitters。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
信号抖动
Signal jitter can distort the data being transmitted.
信号抖动会使传输中的数据失真。
时间抖动
Timing jitter affects the accuracy of digital clocks.
时间抖动会影响数字时钟的准确性。
抖动缓冲器
A jitter buffer smooths out delays in network audio.
抖动缓冲器可平滑网络音频中的延迟。
相位抖动
Phase jitter in the oscillator causes timing errors.
振荡器中的相位抖动会导致定时错误。
减少抖动
Network engineers use quality-of-service settings to reduce jitter.
网络工程师使用服务质量设置来减少抖动。
引起抖动
Fluctuations in the power supply can cause jitter in the signal.
电源波动会导致信号产生抖动。
感到紧张不安；心慌
She had the jitters before her job interview.
她在求职面试前感到紧张不安。
变得紧张不安；开始心慌
I always get the jitters when I have to speak in public.
每当要公开发言时，我总是紧张不安。
使某人紧张不安
The thought of the exam gives me the jitters.
一想到考试我就紧张不安。
Use jitter naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
音近“急得”：急得发抖、心跳加速，就是 jitter（抖动、慌张）。
语域：mixed 常见场景：technical writing (computing/electronics)、academic/engineering reports、general descriptive prose 本条分析名词义“抖动、轻微晃动”。在技术文档（如电子、通信、计算机领域）中比较常见，语气偏正式；偶尔也用于一般性客观描写，接近中性，因此整体语域可视为混合。若遇“jitters”或动词用法（指紧张发抖），则另属口语用法，不在本条范围内。
Bitter, litter, glitter, fritter, and sitter rhyme with jitter: they share the final sound /ɪtə/. Letter looks similar on the page but has a different vowel, so it is pronounced /ˈletə/ and does not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.