Radical 1Radical

一

yī

one

Frequency
#2Estimated
HSK
Level 1Estimated

Stroke order

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How it is built

一 is one of the 214 radicals: a building block of its own. See radical 1

Some notes are traditional explanations, not proven history.

Built from 一 31

Characters that use it as a direct part, most common first.

Words 29

  • 一点儿yìdiǎnra littleHSK 1 Estimated
  • 一yīoneHSK 1 Estimated
  • 第一dì-yīfirstHSK 2 Estimated
  • 一起yìqǐtogetherHSK 2 Estimated
  • 一下yíxiàa bit; brieflyHSK 2 Estimated
  • 一般yìbānusually; ordinaryHSK 3 Estimated
  • 一边yìbiānwhile; one sideHSK 3 Estimated
  • 一定yídìngcertainlyHSK 3 Estimated
  • 一共yígòngin totalHSK 3 Estimated
  • 一会儿yíhuìra momentHSK 3 Estimated
  • 一样yíyàngthe sameHSK 3 Estimated
  • 一直yìzhíalways; straightHSK 3 Estimated
  • 一点yìdiǎna little
  • 一路yílùall the way
  • 一旦yídànonce; in case
  • 一生yìshēngwhole life
  • 一时yìshífor a moment
  • 统一tǒngyīunify
  • 一代yídàia generation
  • 一心一意yìxīn-yíyìwholeheartedly
  • 一石二鸟yìshí-èrniǎokill two birds with one stone
  • 一见如故yíjiàn-rúgùfeel like old friends at first meeting
  • 一字千金yízì-qiānjīnevery word is worth a fortune
  • 一日千里yírì-qiānlǐprogress by leaps and bounds
  • 一鸣惊人yìmíng-jīngrénamaze everyone with a first success
  • 一心二用yìxīn-èryòngdo two things at once
  • 心口如一xīnkǒu-rúyīsay what one thinks
  • 一见钟情yíjiàn-zhōngqínglove at first sight
  • 一言一行yìyán-yìxíngevery word and deed

Sentences 14

Characters with a dotted underline are not in the course yet.

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  • 他是一位有名的医生。Tā shì yí wèi yǒumíng de yīshēng.He is a famous doctor.
  • 我想换一个房间。Wǒ xiǎng huàn yí ge fángjiān.I'd like to change rooms.
  • 我要一杯牛奶。Wǒ yào yì bēi niúnǎi.I'd like a glass of milk.
  • 请给我一双筷子。Qǐng gěi wǒ yì shuāng kuàizi.Please give me a pair of chopsticks.
  • 我们是一家人。Wǒmen shì yì jiā rén.We are one family.
  • 他一心一意地学习。Tā yìxīn-yíyì de xuéxí.He studies wholeheartedly.