1
have the willpower to do sth
willpower 通常用作不可数名词。
She had the willpower to refuse the dessert.
她有拒绝甜点的毅力。
毅力；意志力
先理解核心含义，再看它在真实句子里的用法。
毅力；意志力
the ability to control your own behavior and decisions, especially in order to achieve something
She had the willpower to refuse the dessert.
她有拒绝甜点的毅力。
坚定不移的意志力
The unwavering strength of will to carry out one's wishes.
坚定控制自己行为的特质
the trait of resolutely controlling your own behavior
She used all her willpower to get out of bed early.
她用尽全部意志力早早起床。
Giving up sugar requires strong willpower.
戒糖需要强大的意志力。
He lacked the willpower to stop checking his phone.
他缺乏意志力，无法停止查看手机。
willpower 通常用作不可数名词。
She had the willpower to refuse the dessert.
她有拒绝甜点的毅力。
He lacks the willpower to quit smoking.
他缺乏戒烟的意志力。
summon up 表示‘鼓起、振作’，常与 willpower 搭配。
I summoned up the willpower to finish the marathon.
我鼓起毅力跑完了马拉松。
sheer 在这里表示‘纯粹的’，强调不借助其他因素。
She overcame the injury through sheer willpower.
她全靠意志力战胜了伤病。
Not this
She has a strong willpower.
Use this
She has strong willpower.
willpower 是不可数名词，不能直接用不定冠词 a 修饰；表示“有毅力”时说 have willpower，如需强调程度可用 strong、great 等形容词修饰。
Not this
I need willpower on giving up sugar.
Use this
I need willpower to give up sugar.
表示“做某事的意志力”时，应使用 willpower to do something 这一搭配，而不是 willpower on doing something；介词 on 不符合英语的习惯用法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
缺乏意志力
His failure was due to a lack of willpower, not ability.
他失败是因为缺乏意志力，而不是能力。
纯粹的意志力
She finished the race by sheer willpower.
她纯粹靠毅力跑完了比赛。
鼓起毅力
He summoned the willpower to quit smoking.
他鼓起毅力戒了烟。
考验你的意志力
Sticking to a diet really tests your willpower.
坚持节食真的很考验你的意志力。
有意志力
She has the willpower to overcome any obstacle.
她有克服任何障碍的意志力。
需要意志力
Learning a language requires willpower and patience.
学习一门语言需要意志力和耐心。
意志力是成功的关键。成功的人无论感受如何都会努力，通过运用意志力去克服冷漠、怀疑或恐惧。
A well-known motivational saying that emphasizes willpower, rather than talent or luck, is what drives people to reach their goals.
这是一句广为流传的励志名言，强调推动人们实现目标的不是天赋或运气，而是意志力。
意志力就像肌肉，越训练越强大。
Commonly used in fitness and self-help circles, this analogy compares self-control to a muscle that can be strengthened through practice.
这句话常见于健身和自我提升领域，把自制力比作肌肉，认为它可以通过练习得到增强。
Use willpower naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 willpower 拆成 will（意志）+ power（力量），联想成“意志的力量”，就是靠意志撑住的毅力。
语域：neutral 常见场景：日常交流、励志或自助类话题、书面文章中谈论自律或决心 willpower 在书面和口语中都可以用，通常不带有特别正式或随意的色彩。表示“毅力、意志力”时，多用于形容人克制自己行为、坚持目标的能力，比较常见于日常对话以及励志、心理或教育类话题。
The second syllable of 'willpower' is /ˌpaʊ.ɚ/. It rhymes with power, flower, tower, and hour (/paʊ.ɚ/ or /aʊ.ɚ/). The word will matches the first syllable /wɪl/. Beware: lower is spelled with the same '-ower' ending but is pronounced /ˈloʊ.ɚ/ (with /oʊ/), so it does not rhyme with power.
Dictionary facts from ECDICT, WIKTIONARY.