一

yī
HSK 1HSK 1 (Write)HSK 2 (Write)Most Common

Basic Meaning

m
The smallest positive integer. Used before measure words, before nouns, or to indicate a single action, a brief try, or a short-lived action.
measure word
最小的正整数。①用在量词前。②用在名词前。③表示一次动作，或表示动作是试一下的、短暂的。
Words:
一班一瞥一尘不染一筹莫展一蹴而就一鼓作气一呼百应一刻千金一劳永逸一诺千金一曝十寒数一数二
Sentences:
  1. 请(qǐng)给(gěi)我(wǒ)一(yī)本(běn)书(shū)。
    Please give me one book.
  2. 我(wǒ)想(xiǎng)试(shì)一(yī)试(shì)这(zhè)道(dào)菜(cài)。
    I want to try a bite of this dish.
m
Indicates sameness or unity.
表示同一。
Words:
一色划一统一一概而论一视同仁不可一世混为一谈莫衷一是千篇一律
Sentences:
  1. 他(tā)对(duì)待(dài)所(suǒ)有(yǒu)学(xué)生(shēng)都(dōu)是(shì)一(yī)视(shì)同(tóng)仁(rén)的(de)。
    He treats all students equally.
  2. 这(zhè)些(xiē)衬(chèn)衫(shān)的(de)颜(yán)色(sé)不(bù)统(tǒng)一(yī)。
    The colors of these shirts are not uniform.
m
Another; a different one.
另外一个；另外一种。
Words:
一名
Sentences:
  1. 他(tā)有(yǒu)一(yī)个(gè)名(míng)字(zi)叫(jiào)小(xiǎo)明(míng)，还(hái)有(yǒu)一(yī)名(míng)叫(jiào)小(xiǎo)华(huá)。
    He has one name called Xiaoming, and another called Xiaohua.
m
Indicates the whole; entire; full.
表示整个；全；满。
Words:
一身汗一冬天一路一年收入一生
Synonyms:
满 全
Sentences:
  1. 她(tā)的(de)一(yī)生(shēng)都(dōu)致(zhì)力(lì)于(yú)科(kē)学(xué)研(yán)究(jiū)。
    Her whole life was devoted to scientific research.
m
Pure; single-minded; devoted.
纯，专。
Words:
一心一意一心清一色专一
Synonyms:
纯 专
Sentences:
  1. 学(xué)习(xí)时(shí)要(yào)一(yī)心(xīn)一(yī)意(yì)。
    You need to be single-minded when studying.
m
Indicates an action is done once, is brief, or is a trial. Used between reduplicated verbs (usually monosyllabic) or after a verb and before a verbal measure word.
表示动作是一次，或表示动作是短暂的，或表示动作是试试的。①用在重叠的动词（多为单音）中间。②用在动词之后，动量词之前。
Words:
歇一歇笑一笑笑一声看一眼闻一闻
Sentences:
  1. 这(zhè)个(gè)问(wèn)题(tí)让(ràng)我(wǒ)想(xiǎng)一(yī)想(xiǎng)再(zài)回(huí)答(dá)你(nǐ)。
    Let me think about this question for a moment before I answer you.
  2. 他(tā)只(zhǐ)看(kàn)了(le)我(wǒ)一(yī)眼(yǎn)就(jiù)走(zǒu)了(le)。
    He just glanced at me and then left.
m
Used before a verb or verbal measure word to indicate an initial action (whose result is explained next).
用在动词或动量词前面，表示先做某个动作（下文说明动作结果）。
Sentences:
  1. 他(tā)一(yī)听(tīng)这(zhè)个(gè)消(xiāo)息(xi)，高(gāo)兴(xìng)得(de)跳(tiào)了(le)起(qǐ)来(lái)。
    As soon as he heard this news, he jumped for joy.
adv
Used in correlation with '就 (jiu4)'. ① Indicates two actions follow closely in time. ② Means 'whenever'.
与“就”呼应。①表示两事时间紧接。②表示每逢。
Words:
天一亮一想起一学就会
Sentences:
  1. 他(tā)一(yī)到(dào)家(jiā)就(jiù)开(kāi)始(shǐ)做(zuò)饭(fàn)。
    He started cooking as soon as he got home.
  2. 爸(bà)爸(ba)一(yī)有(yǒu)空(kòng)就(jiù)陪(péi)孩(hái)子(zi)玩(wán)。
    Whenever Dad has free time, he plays with the children.
adv
Once; as soon as.
Formal
一旦；一经。
Words:
一飞冲天一鸣惊人一旦一经
Sentences:
  1. 一(yī)旦(dàn)做(zuò)出(chū)决(jué)定(dìng)，就(jiù)不(bú)要(yào)轻(qīng)易(yì)改(gǎi)变(biàn)。
    Once a decision is made, don't change it easily.
m
Each; every.
每；各。
Words:
一组十人一人十元
Synonyms:
每 各
Sentences:
  1. 我(wǒ)们(mén)班(bān)一(yī)组(zǔ)有(yǒu)五(wǔ)个(gè)学(xué)生(shēng)。
    There are five students in each group in our class.
m
Indicates a situation arises suddenly.
表示突然出现某种情况。
Words:
心里一慌眼前一黑路灯一亮
Sentences:
  1. 听(tīng)到(dào)敲(qiāo)门(mén)声(shēng)，我(wǒ)心(xīn)里(lǐ)一(yī)慌(huāng)。
    When I heard the knocking, I suddenly panicked.
  2. 灯(dēng)一(yī)灭(miè)，房(fáng)间(jiān)里(lǐ)一(yī)片(piàn)漆(qī)黑(hēi)。
    As soon as the light went out, the room was suddenly pitch black.

Writing & Component

Radical一
Structuresingle
Stroke Count1
Strokes一