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reluctance to do sth
His reluctance to participate was obvious.
他不愿参加的态度很明显。
不情愿；勉强
先理解核心含义，再看它在真实句子里的用法。
不情愿；勉强
unwillingness
His reluctance to participate was obvious.
他不愿参加的态度很明显。
不愿意做某事
Unwillingness to do something.
采取某种行动的犹豫
Hesitancy in taking some action.
磁路中类似于电路中电阻的特性
That property of a magnetic circuit analogous to resistance in an electric circuit.
She showed some reluctance to accept the job offer.
她对接受这份工作表现出一些不情愿。
His reluctance to speak in public made meetings difficult.
他不愿在公众面前讲话，这让会议变得困难。
Despite her initial reluctance, she agreed to help us.
尽管她起初不情愿，最后还是同意帮助我们。
His reluctance to participate was obvious.
他不愿参加的态度很明显。
注意介词in后接动名词
She expressed reluctance in accepting the invitation.
她对接受邀请表示勉强。
用作状语
He finally agreed, but with reluctance.
他最终同意了，但很不情愿。
Not this
I have a reluctance to go to the party.
Use this
I am reluctant to go to the party.
使用名词 'reluctance' 代替形容词 'reluctant'，在英语中表示'不情愿做某事'应用形容词作表语，而非名词。
Not this
He showed reluctance for helping his friend.
Use this
He showed reluctance to help his friend.
介词搭配错误：名词 'reluctance' 后应接不定式 'to do'，而不是介词 'for' 加动名词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
表现出不情愿
She showed reluctance to accept the offer.
她表现出不情愿接受这个提议。
表达不情愿
He expressed reluctance about leaving his hometown.
他表达了对离开家乡的不情愿。
十分不情愿
With great reluctance, he agreed to the plan.
他十分不情愿地同意了该计划。
最初的不情愿
Despite her initial reluctance, she eventually joined the team.
尽管她最初不情愿，但最终还是加入了团队。
克服不情愿
He managed to overcome his reluctance to speak in public.
他设法克服了在公开场合发言的不情愿。
不情愿地
She accepted the job with reluctance.
她不情愿地接受了这份工作。
不情愿地
She accepted the job with reluctance.
她不情愿地接受了这份工作。
表现出不情愿
He showed reluctance to join the team.
他表现出不愿加入团队。
克服不情愿
It took her a long time to overcome her reluctance to speak in public.
她花了很长时间才克服在公开场合发言的不情愿。
Use reluctance naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象摇头摆手说“不”的场景，就是 reluctance（不情愿）。
Register: neutral. Typical settings: general conversation, formal writing, expressing unwillingness. Note: 通常用于表达不情愿的情绪，在口语和书面语中都常见，属于中性语域。
Words with genuine rhyme (same stressed vowel and following sounds): conductance, inductance. Beware that resistance, acceptance, importance, distance have different stressed vowels or stress patterns.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.