指代前文提到的具体事物
用于回指前文已提及的单数名词。
I found a book. It is interesting.
我找到一本书。它很有趣。
（无实义的）形式主语/宾语；非人称代词；（用于确认身份）谁；是我；（指性别不明的婴儿或幼儿）它；全部；结束；就这样；性感魅力；吸引力
Third-person singular pronoun used to refer to a thing, an animal, or an abstract idea.
第三人称单数中性人称代词,用于指代无生命物体、抽象实体或非人类生物。
The third-person singular neuter personal pronoun used to refer to an inanimate object, abstract entity, or non-human living thing.
第三人称单数人称代词,指代婴儿或儿童,尤指性别不明时。
A third-person singular personal pronoun used to refer to a baby or child, especially of unknown gender.
指代正在被识别的人,常用于电话中,但不限于此。
Refers to someone being identified, often on the phone, but not limited to this situation.
非人称代词,无指代对象,用作无人称动词或陈述的主语(又称虚位代词、虚位it或天气it)。
The impersonal pronoun, used without referent as the subject of an impersonal verb or statement (known as the dummy pronoun, dummy it or weather it).
非人称代词,无指代对象,或在各种简短习语中隐含语境指代。
The impersonal pronoun, used without referent, or with unstated but contextually implied referent, in various short idioms or expressions.
性感魅力,尤指超越外表的魅力。
Sex appeal, especially that which goes beyond physical appearance.
非人称代词,用作后置主语(或较少见宾语)的占位符,又称形式代词、先行it或句法填充词。后置主语通常为带to的不定式、动名词或从属连词引导的名词性从句。
The impersonal pronoun, used as a placeholder for a delayed subject, or less commonly, object; known as the dummy pronoun (according to some definitions), anticipatory it or, more formally in linguistics, a syntactic expletive. The delayed subject is commonly a to-infinitive, a gerund, or a noun clause introduced by a subordinating conjunction.
全部或终局；之后不再有的事物。
All or the end; something after which there is no more.
I found a wallet on the street. It belongs to someone.
我在街上发现了一个钱包。它属于某个人。
用法提示：it 指代前文提到的钱包，用作主语。
The movie was boring. I didn't like it at all.
这部电影很无聊。我一点也不喜欢它。
用法提示：it 指代电影，作宾语。
It is raining outside, so take an umbrella.
外面正在下雨，所以带把伞。
用法提示：it 用作无人称主语，指天气。
用于回指前文已提及的单数名词。
I found a book. It is interesting.
我找到一本书。它很有趣。
it作形式主语，真正主语是后面的不定式短语。
It is important to study hard.
努力学习很重要。
it作形式宾语，替代后面的不定式短语。
I find it easy to learn English.
我发现学英语很容易。
grammar · medium
易错句子Is very hot today.
正确表达It is very hot today.
中文中常省略主语，但英语中描述天气、时间等必须用虚指主语 'it'，不能省略。
grammar · medium
易错句子I saw a man. It was wearing a hat.
正确表达I saw a man. He was wearing a hat.
指人时应用 'he' 或 'she'，用 'it' 会显得不礼貌或指代错误。
天下雨
It is raining outside.
外面在下雨。
试一试
You should give it a try.
你应该试一试。
成功；做到；准时到达
We finally made it to the top.
我们终于登上了顶峰。
我喜欢它
I like it very much.
我非常喜欢它。
由你决定
It's up to you to decide.
由你来决定。
需要花费（时间等）
It takes time to learn English.
学英语需要时间。
与 it 同为第三人称代词，但 he 指男性，it 指无生命物或中性对象。
与 it 同为第三人称代词，但 she 指女性，it 指无生命物或中性对象。
与 it 同为第三人称代词；they 表复数或性别不明的人，it 表单数非人。
指示代词，用于近指；it 常用于回指前文提到的事物。
指示代词，用于远指或指已提及内容；it 也常作形式主语或形式宾语。
走开，滚开
The kids were making too much noise, so the teacher told them to beat it.
孩子们太吵了，老师让他们走开。
成功；做到
He practiced every day and eventually made it to the national team.
他每天练习，最终进入了国家队。
发脾气；失控
When he saw the mess, he completely lost it.
看到一片狼藉，他完全失控了。
查尔斯·狄更斯《双城记》的开篇名句，常用来形容充满矛盾或剧烈变化的时代。
Looking back, it was the best of times and the worst of times.
回想起来，那是最好的时代，也是最坏的时代。
1931年经典电影《科学怪人》中弗兰肯斯坦博士的惊叫，已成为流行文化名句，常表示某事物突然活了过来或获得生命。
The scientist yelled, "It's alive!"
科学家大喊道：“它活了！”
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Includes Synonyms & Antonyms
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.