1
classify sth
We need to classify these documents.
我们需要分类这些文件。
分类；归类；分等
先理解核心含义，再看它在真实句子里的用法。
分类；归类；分等
to arrange or order things by classes or categories
We need to classify these documents.
我们需要分类这些文件。
分类；归类
to identify by or divide into classes; to categorize
宣布某事为秘密,尤其是政府秘密
to declare something a secret, especially a government secret
使高雅
To make classy
classify
Base
原形
classifies
3rd person
第三人称单数
classifying
-ing
现在分词
classified
Past
过去式
classified
Past participle
过去分词
We classify books by genre.
我们按类型给图书分类。
She classified the documents yesterday.
她昨天把文件归类了。
They have classified the data.
他们已经将数据分类。
通常及物
The library classifies books by subject and author.
图书馆按主题和作者对图书进行分类。
Scientists classify these animals into different groups based on their DNA.
科学家根据DNA将这些动物归入不同的类别。
The system automatically classifies emails as spam or not spam.
该系统自动将电子邮件分类为垃圾邮件或非垃圾邮件。
We need to classify these documents.
我们需要分类这些文件。
常用搭配介词 into 表示分类的结果或组别。
The books are classified into categories by genre.
这些书按流派分成类别。
She was classified as a high-risk patient.
她被归类为高风险患者。
此时 classify 意为“列为机密”，常用于安全或保密语境。
The report was classified as top secret.
这份报告被列为绝密。
Not this
I classified it to the group.
Use this
I classified it into the group.
动词 classify 后接介词 into 表示“分入某类”，而非介词 to。
Not this
The books are classify by author.
Use this
The books are classified by author.
被动语态需要使用过去分词 classified，而非原形 classify。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
把…归类为
The report classifies the animals as endangered.
该报告将动物归类为濒危物种。
把…分成（类）
We classify the data into five main categories.
我们把数据分成五大类。
按…分类
Libraries classify books by subject.
图书馆按主题对书籍进行分类。
把…归入（某类）
This species is classified under the genus Canis.
这个物种被归入犬属。
将…列为机密
The government classified the document as confidential.
政府将这份文件列为机密。
对信息进行保密分级
The agency classifies information to protect national security.
该机构对信息进行保密分级以保护国家安全。
Use classify naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“class”（班级）+“ify”（使…化）：把东西分到不同的班级，就是“分类”。
中性语域，多用于学术、商业及日常分类。注意：本分析针对“分类”义项，安全领域另有“列为机密”用法。
These words all share the stressed vowel /æ/ and the ending /ɪfaɪ/, so they are perfect rhymes with 'classify'. Note that many other '-ify' verbs have different stressed vowels, e.g., 'specify' (/spɛs-/), 'identify' (/aɪ'dɛntɪ-/), 'justify' (/dʒʌst-/), and thus do not rhyme with 'classify'.
Dictionary facts from ECDICT, WIKTIONARY.