Word · Frequency #18847
perturb
使不安；使焦虑；使心烦
make someone worried or anxious
- 1.
To cause (something) to be physically disordered or disturbed; to cause confusion.
使(某物)物理上混乱或扰乱；引起混乱
- 2.
To disturb (someone, their mind, etc.) mentally; to bother, trouble, upset.
精神上打扰、烦扰、使不安。
- 3.
Of a celestial body: to modify the motion or orbit of (another celestial body) by exerting a gravitational force; hence (physics), to slightly modify (the motion of an object).
天体:通过施加引力来改变(另一天体)的运动或轨道；因此(物理学),轻微改变(物体的运动)
- 4.
To slightly modify (a set of equations or their solutions), producing deviations from a simple, easily solvable problem, in order to find an approximate solution to a problem that is more difficult to solve or otherwise unsolvable.
轻微修改(方程组或其解),产生偏离简单、易解问题的偏差,以找到更难解决或无法解决的问题的近似解
- 5.
To influence (a process or system) so that it deviates from its normal state.
影响过程或系统,使其偏离正常状态。
- 6.
To bother, to disturb, to trouble.
打扰,干扰,烦扰。
扰动；干扰；使（天体）摄动；使偏离轨道；使(某物)物理上混乱或扰乱；引起混乱；精神上打扰、烦扰、使不安。；天体:通过施加引力来改变(另一天体)的运动或轨道；因此(物理学),轻微改变(物体的运动)
In use
The sudden change in the schedule did not perturb her; she simply adjusted her plans.
It perturbed me to see that no one was taking the warning seriously.
Please do not let these small technical problems perturb you during the presentation.
perturb + noun
主语通常是使人不安的事物，宾语是人。
The news perturbed him greatly.
这消息使他非常不安。
be perturbed by/at/about + noun/pronoun
被动语态更常见，表示状态。
She was perturbed by his sudden change of attitude.
她因他态度的突然转变而感到不安。
perturb + noun (scientific context)
用于天文学或物理学，表示使偏离正常路径。
Connections
Collocations
- perturb a system
- 扰动系统
- A sudden change in temperature can perturb the system.温度的突然变化会扰动该系统。
- perturb an orbit
- 摄动轨道
- The gravity of a nearby planet can perturb the orbit of an asteroid.附近行星的引力会摄动小行星的轨道。
- perturb the equilibrium
- 扰乱平衡
- Rising sea temperatures perturb the equilibrium of marine ecosystems.海洋温度上升会扰乱海洋生态系统的平衡。
- perturb the flow
- 扰动流
- Inserting the probe perturbed the flow of air around the wing.插入探头扰乱了机翼周围的气流。
- perturb a model
- 扰动模型
- To analyze its robustness, we perturbed the model's parameters.为了分析其稳健性，我们扰动了模型的参数。
Synonyms
Learner notes
Memory Tip
联想 turbulent（湍流）里的 turb-：湍流让水面翻腾扰动，所以 perturb 是让人心或局面‘不安、扰动’。
Context & Register
语域：formal 常见场景：学术论文、物理学/数学教材、正式演讲与写作 “perturb” 比较常见于正式或专业语境，多用于学术论文、科技文献及正式书面语；在物理或数学中表示轻微扰动，在正式或文学语言中表示使不安。日常口语中较少用，通常用 “disturb”、“upset” 等更常见的词。
Pronunciation & Spelling
这些词都以相同的重读元音 /əː/ 加 /b/ 结尾，与 perturb 押韵：disturb、verb、curb、blurb、suburb。注意：拼写中含 turb 的词如 turbine /ˈtəːbaɪn/、turbid /ˈtəːbɪd/ 并不押韵，因为结尾不同。
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 ECDICT, WIKTIONARY.