1
of one's own volition
表示出于自愿，而非被迫。
He left the company of his own volition.
他自愿离开了公司。
意志；意愿
先理解核心含义，再看它在真实句子里的用法。
意志；意愿
The mental power or ability of choosing; the will.
He left the company of his own volition.
他自愿离开了公司。
有意识的选择或决定。
A conscious choice or decision.
选择的心智力量或能力；意志。
The mental power or ability of choosing; the will.
区分主体或施动者是否有意为之的概念。
A concept that distinguishes whether or not the subject or agent intended something.
By her own volition, she enrolled in the night class to improve her English.
她出于自愿报名了夜校课程来提高英语。
The choice to move abroad came from his volition, not from his wife's insistence.
出国生活的选择出自他自己的意愿，而不是妻子的坚持。
She decided of her own volition to apologize first, even though she felt she was right.
她自愿决定先道歉，尽管她觉得自己是对的。
表示出于自愿，而非被迫。
He left the company of his own volition.
他自愿离开了公司。
较正式，强调意志的作用。
The decision was made by volition, not coercion.
这个决定是凭意志做出的，而非强迫。
常与act, choose等动词连用。
She acted with volition and determination.
她带着意志力和决心行动。
Not this
I volition to finish the work.
Use this
I use my volition to finish the work.
误将名词 'volition' 用作动词。中文中“意志”可作动词，但英语中 'volition' 是名词，需搭配 'use' 或 'act of' 等动词短语。
Not this
He did it by volition.
Use this
He did it of his own volition.
介词搭配错误。固定搭配为 'of one's own volition'，表示出于自愿，而非 'by volition'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
出于自愿；自愿地
She resigned of her own volition, not because she was pressured.
她是自愿辞职的，不是因为受到压力。
自愿的行为；意志行为
The decision to help was an act of volition.
出手相助的决定是一种自愿行为。
有意识的意志
Speaking requires conscious volition, whereas reflex actions do not.
说话需要有意识的意志，而反射动作则不需要。
行使意志；运用选择能力
Even in difficult circumstances, he could exercise volition.
即使在困难的情况下，他也能行使自己的意志。
出于自己的意愿；自愿地
She returned the money of her own volition; nobody asked her to.
她自愿归还了那笔钱，没有人要求她这样做。
违背某人的意愿；非自愿地
They claimed the confession was signed against his volition.
他们声称那份供词是违背他的意愿签署的。
Use volition naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 voluntary（自愿的）：volition 是自愿选择背后的意志，凭自己的心做决定。
语域：formal 常见场景：正式写作、哲学或心理学讨论、法律或正式陈述 volition 比较常见于正式或书面语境，日常口语中较少用；常出现在 of one's own volition 这类短语中，表示出于自愿。
通常用单数形式，但也可用复数volitions表示多次选择行为。
Dictionary facts from ECDICT, WIKTIONARY.