1
be unrepresentative of sth
unrepresentative of 后接群体或类别，表示某人或某物不足以代表该群体。
This small town is unrepresentative of the country as a whole.
这个小镇不能代表整个国家。
非代表性的；不典型的
先理解核心含义，再看它在真实句子里的用法。
非代表性的；不典型的
not typical or representative of a group or class
This small town is unrepresentative of the country as a whole.
这个小镇不能代表整个国家。
不具代表性的
Not representative
This small town is unrepresentative of the whole country.
这个小镇不能代表整个国家。
The survey results may be unrepresentative because only young people answered.
调查结果可能不具有代表性，因为只有年轻人回答了。
Her experience is unrepresentative of most workers in the industry.
她的经历在该行业大多数工人中并不典型。
unrepresentative of 后接群体或类别，表示某人或某物不足以代表该群体。
This small town is unrepresentative of the country as a whole.
这个小镇不能代表整个国家。
作定语时，unrepresentative 常修饰 sample、group 等名词，强调缺少典型性。
The survey used an unrepresentative sample of students.
这项调查使用的学生样本不具有代表性。
Not this
This sample is unrepresentative the whole population.
Use this
This sample is unrepresentative of the whole population.
形容词 unrepresentative 后须接介词 of 才能引出不具有代表性的事物；直接接宾语不符合英语搭配。更正补上 of 即可。
Not this
Women are still unrepresentative in the company's leadership.
Use this
Women are still underrepresented in the company's leadership.
unrepresentative 表示“不典型的、非代表性的”，underrepresented 表示“(在数量或比例上)不足的”。表达某一群体所占比例过低时应用 underrepresented，二者不可混用。只替换词即可。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不具代表性的样本
The survey used an unrepresentative sample, so its results cannot be applied to the general population.
该调查使用了不具代表性的样本，因此其结果不能推广到全体人口。
不具代表性的数据
The study was criticized for relying on unrepresentative data from a single city.
该研究因依赖来自单一城市的不具代表性数据而受到批评。
不具代表性的政府
Citizens protested against the unrepresentative government that ignored their needs.
公民抗议这个无视民众需求的不具代表性的政府。
不具代表性的群体
A small, unrepresentative group made decisions that affected everyone.
一个不具代表性的小群体做出了影响所有人的决定。
不能代表人口总体的
The committee is unrepresentative of the population in terms of age and income.
该委员会在年龄和收入方面不能代表人口总体。
Use unrepresentative naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un- = 不，representative = 有代表性的；想象一份"非典型"样本，不能代表全班同学。
语域：neutral 常见场景：数据分析/统计抽样、社会调查与舆论、学术论文/新闻报道 该词通常用于书面或比较正式的场合，多出现在讨论样本、数据或群体是否具有代表性的语境中；日常口语里更常说 not typical。注意常见搭配 be unrepresentative of，表示“不能代表……、不典型的”。
本词读作 /ˌʌnˌrɛprɪˈzɛntətɪv/，与 representative /ˌrɛprɪˈzɛntətɪv/ 押韵（从重读音节 -zen- 起读音相同）。注意 qualitative、innovative、talkative、negative 虽也以 -ative 结尾，但重音或元音不同，不押韵；creative 的 -ative 读 /eɪtɪv/，发音差异明显。
Dictionary facts from ECDICT, WIKTIONARY.