be unconquerable
系表结构，描述主语的性质。
His spirit was unconquerable despite all setbacks.
尽管遭遇重重挫折，他的精神是不可征服的。
克服不了的；压制不了的
不可征服的；不屈不挠的
Not conquerable; indomitable.
Despite the harsh winter, the team's unconquerable spirit kept them training every day.
尽管严冬，团队不屈不挠的精神让他们每天坚持训练。
用法提示：形容词，作定语修饰 spirit，表示‘不屈不挠的’。
For her, the towering mountain seemed unconquerable, but she was determined to reach the top.
对她来说，这座高耸的山似乎无法征服，但她决心登顶。
用法提示：形容词，作表语，表示‘无法征服的’。
He faced every challenge with an unconquerable will to succeed.
他以不可征服的意志面对每一个挑战，决心成功。
用法提示：形容词，作定语修饰 will，表示‘不可征服的、坚定的’。
系表结构，描述主语的性质。
His spirit was unconquerable despite all setbacks.
尽管遭遇重重挫折，他的精神是不可征服的。
表示持续的状态。
The fortress remained unconquerable for centuries.
这座堡垒几个世纪以来一直无法被攻克。
系动词后接形容词，表示结果或事实证明。
The disease proved unconquerable despite advanced treatments.
尽管有先进的治疗手段，这种疾病证明是无法克服的。
grammar · medium
易错句子He fought unconquerable.
正确表达He fought unconquerably.
‘unconquerable’ 是形容词，不能修饰动词 ‘fought’，应改为副词 ‘unconquerably’。
grammar · medium
易错句子The fortress is unconquerable to the enemy.
正确表达The fortress is unconquerable by the enemy.
表示‘被…征服’时，应用介词 ‘by’ 而非 ‘to’，‘to’ 常表示方向或对象，不符合被动意义。
unconquered 强调尚未被征服的状态，而 unconquerable 强调本质上不可征服的特性
invincible 多用于指军队、队伍等在战斗或竞争中不可战胜，而 unconquerable 可用于形容困难、意志等抽象事物
indomitable 强调精神上的不屈，常与勇气、意志搭配，而 unconquerable 更广泛，可指具体或抽象的事物
conquer (root)
conquer + -able
conquer + -or
re- + conquer
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