1
do something unaided
unaided 常放在动词（短语）之后，强调动作是在无外界帮助的情况下完成的。
She managed to repair the car unaided.
她设法在没有帮助的情况下修好了汽车。
未受协助的；自行完成的
先理解核心含义，再看它在真实句子里的用法。
未受协助的；自行完成的
done or achieved without help from anyone or anything
She managed to repair the car unaided.
她设法在没有帮助的情况下修好了汽车。
没有某人或某物的帮助、协助或援助。
Without the help, aid or assistance of someone or something.
The toddler managed to climb the stairs unaided, which surprised her parents.
那个幼儿设法自己爬上了楼梯，这让她的父母很惊讶。
He prefers to solve difficult problems unaided, even when help is available.
他宁愿独自解决难题，即使有人可以提供帮助。
The reading test measures how well students can understand a text unaided.
这项阅读测试衡量学生在没有帮助的情况下理解文本的能力。
unaided 常放在动词（短语）之后，强调动作是在无外界帮助的情况下完成的。
She managed to repair the car unaided.
她设法在没有帮助的情况下修好了汽车。
unaided by 后接缺少的协助来源，常用来明确说明没有借助某人或某物。
He wrote the report unaided by any assistant.
他在没有任何助手帮助的情况下写出了这份报告。
with the unaided eye 是固定习语，表示“用肉眼”，与借助仪器（如显微镜）相对。
These tiny organisms are too small to see with the unaided eye.
这些微小的生物太小，肉眼无法看见。
Not this
He unaided his brother with his homework.
Use this
He didn't aid his brother with his homework.
unaided 是形容词，意为‘未经协助的’，不能像动词一样作谓语表示‘没有帮助某人’。要表达‘没有帮助’，须用动词 aid 的否定式 didn't aid。
Not this
She felt unaided after her friends moved away.
Use this
She felt helpless after her friends moved away.
unaided 描述的是客观上的‘未获帮助’，不是情绪上的‘无助’；表达‘感到无助’要用 helpless，搭配 felt helpless 才自然。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
肉眼；裸眼
The planet is visible to the unaided eye.
这颗行星用肉眼就可以看到。
无提示回忆
Participants were asked to list brands by unaided recall.
参与者被要求依靠无提示回忆列出品牌。
独立行走
Unaided walking is a major goal after hip surgery.
独立行走是髋部手术后的一个重要目标。
在没有……帮助的情况下
He wrote the report unaided by colleagues.
他没有同事帮忙，独自写了这份报告。
用肉眼；不借助仪器地
Bacteria are too small to be seen with the unaided eye.
细菌太小，用肉眼是看不见的。
Use unaided naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆成 un + aided：un 表“不”，aided 是“被帮助”；没人帮你，全靠自己完成。
语域：mixed 常见场景：academic writing、news articles、official statements «Unaided» 多用于正式或书面语境，如学术文章、新闻或官方表述，表示“未受协助的”。日常口语中较少出现，更自然的说法通常是 without help。
以上 aided、faded、graded、shaded、waded 与 unaided 押韵，均以 /eɪdɪd/ 结尾；united 形似但读作 /juˈnaɪtɪd/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.