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一不小心

yī bù xiǎo xīndictionary entry
DEFINITION CC-CEDICT
to be a little bit careless / to have a moment of inattentiveness / accidentally
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-77001831e5a06271. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

一不小心 一不小心 [yi1 bu4 xiao3 xin1] /to be a little bit careless; to have a moment of inattentiveness; accidentally/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

  • 一
    yī

    one / single / a (article) / as soon as / entire / whole / all / throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yāo] for greater clarity when spelling out numbers digit by digit

  • 不
    bù

    no / not so / (bound form) not / un-

  • 小
    xiǎo

    small / tiny / few / young

  • 心
    xīn

    heart / mind / intention / center / core / CL:顆|颗[kē],個|个[gè]

Reference definitions from CC-CEDICT.