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remain undaunted
作表语，表示“不因困难而气馁”，常与 remain 连用。
Even after losing the election, she remained undaunted.
即使在落选之后，她仍然毫不气馁。
无畏的；不气馁的；勇敢的
先理解核心含义，再看它在真实句子里的用法。
无畏的；不气馁的；勇敢的
unshaken in purpose; resolutely courageous
Even after losing the election, she remained undaunted.
即使在落选之后，她仍然毫不气馁。
勇敢无畏的；坚毅的。
Showing courage and resolution.
不气馁的；不灰心的；不畏惧的。
Not shaken, discouraged or disheartened.
Despite the harsh weather, the hikers remained undaunted and continued up the mountain.
尽管天气恶劣，徒步者们仍然毫不畏惧，继续上山。
She was undaunted by the complicated instructions and assembled the furniture in an hour.
她没有因复杂的说明书而退缩，一小时内就组装好了家具。
The young athlete stayed undaunted after losing the first match and trained even harder.
这名年轻运动员输掉第一场比赛后毫不气馁，更加刻苦训练。
作表语，表示“不因困难而气馁”，常与 remain 连用。
Even after losing the election, she remained undaunted.
即使在落选之后，她仍然毫不气馁。
by 后接令人畏惧或气馁的事物，说明“不受其影响”。
He is undaunted by the scale of the task.
他没有被任务的规模吓倒。
in 后接抽象名词或动名词，表示在某方面无所畏惧。
She was undaunted in her efforts to find a cure.
她在寻找治疗方法的过程中毫不退缩。
Not this
He undaunted the danger.
Use this
He was undaunted by the danger.
undaunted 是形容词，不是动词。表示“对……无所畏惧”时要用 be undaunted by，后面接令人畏惧的事物。
Not this
She remained undaunted of the difficulties.
Use this
She remained undaunted by the difficulties.
固定搭配是 be undaunted by，不用 of。中文“对困难不畏惧”中的“对”容易干扰成 of，但英语里用 by 引出令人畏惧的对象。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
仍然无所畏惧；毫不气馁
Even after the defeat, the players remained undaunted.
即使失败之后，队员们仍然毫不气馁。
无畏的勇气
She faced the danger with undaunted courage.
她以无畏的勇气面对危险。
不屈不挠的精神
His undaunted spirit helped him overcome every obstacle.
他不屈不挠的精神帮助他克服了每一个障碍。
不为失败所动摇；失败面前毫不气馁
Undaunted by failure, she started a new business.
她没有因失败而气馁，又开始了新的创业。
无畏地继续前进；毫不动摇地坚持下去
Despite the criticism, she pressed on undaunted.
尽管受到批评，她仍然无畏地继续前进。
Use undaunted naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
前缀 un- 表示“不”，daunt 是“吓倒”，加上 -ed 即“未被吓倒”。联想：内心无畏，面对困难不退缩。
语域：formal 常见场景：文学作品、正式演讲、新闻报道 undaunted 多用于正式或书面语境，表示面对困难或危险时不畏惧、不退缩，语气庄重。日常口语中较少使用，更常见的是 not afraid 或 brave。
这些词与 undaunted 押韵，重读元音均为 /ɒ:/，后接 /ntɪd/：daunted、haunted、taunted、flaunted、vaunted。注意拼写相似的 undoubted /ʌnˈdaʊtɪd/ 并不押韵，读音不同。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.