1
be undistinguished
His performance was undistinguished.
他的表现平淡无奇。
普通的；平凡的；不起眼的
先理解核心含义，再看它在真实句子里的用法。
普通的；平凡的；不起眼的
Not marked by conspicuous or special qualities; ordinary.
His performance was undistinguished.
他的表现平淡无奇。
平凡的；不杰出的；无显著特征的。
Not distinguished: not marked by conspicuous qualities.
无特色的；不出众的；没有高贵气质的。
Not distinguished: not having an air of distinction.
The hotel was clean but undistinguished, with the same plain furniture as any other budget place.
这家旅馆虽然干净，但很普通，家具和其他任何经济型旅馆一样朴素。
He gave an undistinguished performance that the audience forgot as soon as they left the theater.
他的表演平淡无奇，观众一离开剧院就忘了。
She had an undistinguished career in the civil service, never attracting much notice.
她在公务员部门度过了一段平淡的职业生涯，从未引起太多关注。
His performance was undistinguished.
他的表现平淡无奇。
Despite years of effort, she remained undistinguished in her field.
尽管努力多年，她在自己的领域仍默默无闻。
The building is undistinguished in appearance.
这座建筑外观平平。
Not this
The two colors are undistinguished.
Use this
The two colors are indistinguishable.
Undistinguished 意为‘普通的，平凡的’，并非‘无法区分的’。要表示‘无法区分’，应使用 indistinguishable。
Not this
He undistinguished in the crowd.
Use this
He was undistinguished in the crowd.
Undistinguished 是形容词，不能直接当作动词使用。正确用法是作为表语形容词，与系动词连用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
平庸的职业生涯
He had an undistinguished career in the civil service.
他在公务员系统度过了一段平庸的职业生涯。
平平无奇的履历
The team's undistinguished record this season disappointed its fans.
球队本赛季平平无奇的战绩让球迷失望。
不出众的表现
Despite the hype, her undistinguished performance failed to impress the critics.
尽管宣传声势浩大，她不出众的表现未能打动评论家。
其貌不扬的外表
The building's undistinguished appearance concealed a beautifully restored interior.
这栋建筑其貌不扬的外表下藏着精心修复的美丽内部。
平凡的一生
He lived an undistinguished life but was deeply loved by his neighbors.
他度过平凡的一生，却深受邻居们的爱戴。
平淡无奇的服役/工作
After thirty years of undistinguished service, the officer quietly retired.
在服役三十年平淡无奇之后，这位军官悄然退役了。
Use undistinguished naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un- 表示“不”，distinguished 是“杰出的”，合起来“不杰出的”，记住：没被区分出来的，就是平凡不起眼。
语域：formal 常见场景：formal writing、literary criticism、biographical descriptions 该词多用于正式或书面语，常见于文学评论、学术文章及人物评价等描述性语境中，口语中较少使用。
通常用于名词前作定语，或与系动词连用作表语。
Dictionary facts from ECDICT, WIKTIONARY.