1
the inertia of something
用于说明某事物本身具有的惯性或惰性。
The inertia of the old system made change difficult.
旧制度的惯性使变革变得困难。
惰性；迟钝
先理解核心含义，再看它在真实句子里的用法。
惰性；迟钝
a disposition to remain inactive or inert
The inertia of the old system made change difficult.
旧制度的惯性使变革变得困难。
物体抵抗其匀速运动状态改变的性质；等同于其质量。
The property of a body that resists any change to its uniform motion; equivalent to its mass.
保持不活动或惰性的倾向
a disposition to remain inactive or inert
人的惰性；不愿行动。
In a person, unwillingness to take action.
(物理学)物体保持静止或匀速运动状态的倾向,除非受到外力作用
(physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force
The committee's inertia has delayed the project for months.
委员会的惰性使项目拖延了好几个月。
AI contextual example
After a long illness, it took all her courage to overcome her inertia and start exercising again.
久病之后，她鼓起全部勇气才克服惰性，重新开始锻炼。
AI contextual example
The new manager was frustrated by the inertia of the office staff.
新经理对办公室员工的惰性感到沮丧。
AI contextual example
he had to overcome his inertia and get back to work
他必须克服惰性,重新开始工作。
WordNet
用于说明某事物本身具有的惯性或惰性。
The inertia of the old system made change difficult.
旧制度的惯性使变革变得困难。
常用于物理语境，表示物体保持原有运动状态的属性。
A moving object has inertia and keeps moving unless acted on.
运动的物体具有惯性，除非受到外力作用，否则会保持运动。
介词短语作原因状语，强调因缺乏动力或不愿改变而维持现状。
She stayed in the same job out of inertia.
她因为惰性而留在同一份工作上。
Not this
He is very inertia.
Use this
He has a lot of inertia.
inertia 是名词，表示‘惰性；迟钝’，不能像形容词那样直接放在 be 动词后作表语。中文习惯说‘他很惰性’，但英语要说 have inertia（如 have a lot of inertia / be full of inertia）来表达‘有惰性、懒散’。把 is very 换成 has a lot of 即可。
Not this
I felt an inertia this morning.
Use this
I felt inertia this morning.
inertia 在表示‘惰性、迟钝’时为不可数名词，前面不能直接加不定冠词 an。中文‘一种惰性’不直译为 an inertia；除非有修饰语（如 a certain inertia）或特指多种惯性时才可加 a/an。去掉 an 才符合英语习惯。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
转动惯量
The teacher explained how to calculate the moment of inertia of a rotating wheel.
老师解释了如何计算旋转轮的转动惯量。
克服惰性
She finally overcame her inertia and started exercising.
她终于克服了惰性，开始锻炼。
官僚惰性
The reform was delayed by bureaucratic inertia.
改革因官僚惰性而被拖延。
政治惰性
Many voters complained about political inertia on climate change.
许多选民抱怨在气候变化问题上存在政治惰性。
组织惰性
Organizational inertia makes it hard for companies to adapt to new technology.
组织惰性使公司难以适应新技术。
顾客惰性
Customer inertia often keeps people with the same bank for years.
顾客惰性常常使人们多年使用同一家银行。
官僚惰性；行政体制的迟钝
The new policy was delayed by bureaucratic inertia.
新政策因官僚惰性而被拖延。
制度惰性；机构固守旧规的倾向
Institutional inertia within the university is holding back curriculum reform.
大学内部的制度惰性阻碍了课程改革。
维持现状的惯性；安于现状的倾向
The inertia of the status quo makes it difficult to implement change.
维持现状的惯性使得实施变革变得困难。
Use inertia naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象急刹车时身体前冲——物体'懒得改变'的惯性即 inertia；拆成 in+ert+ia，联想'内在的惰性'。
语域：formal 常见场景：学术写作、正式演讲、社会评论 该词表示“惰性、迟钝”时，通常用于正式或书面语境，如学术文章、正式演讲或社会评论；日常口语中较少单独使用。物理语境中的“惯性”则偏向专业术语。
Genuine rhyme: Mercia /ˈmɝʃə/ matches inertia's stressed /ɝ/ and final /ʃə/. Inert and commercial share the /ɝ/ vowel but not the ending (inert has /t/; commercial has /ʃəl/). Initial, militia, and Asia are lookalikes: initial has a different stressed vowel, militia matches only the final /ʃə/, and Asia ends in /ʒə/, not /ʃə/.
Dictionary facts from ECDICT, WIKTIONARY.