了 is also the simplified spelling of 瞭.

了

Mandarin · pinyin le#

Meanings · le

  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
Mandarin · pinyin liǎo#

Meanings · liǎo

  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàng bu liǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. variant of 瞭 liǎo
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Characters in this entry

了
le · to finish; particle of completed action
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

5 · le5

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Read this spelling in Classical texts

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Compare dictionary sources Rime · Wiktionary

Rime Cantonese 粵拼

laa1 · liu1 · liu4 · liu5

Cantonese word readings for 了. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

character · Etymology 1

  1. Used after a verb to indicate perfective aspect (action completion).
  2. Used at the end of a sentence to indicate a change of state.
  3. Used at the end of a sentence to inform the beginning of an action.
  4. Used at the end of a sentence to demand.
  5. (contemporary Shanghainese) Used to indicate the present tense.

character · Etymology 1

  1. to be finished; to be completed
  2. to end; to finish
  3. to understand; to comprehend
  4. clear; plain; understandable
  5. bright; intelligent; smart
  6. (in negative sentences) completely; utterly; entirely
  7. Used with 不 (bù) or 得 (de) after verbs to express possibility.
  8. (Hokkien) to use up; to lose; to waste; to squander

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack

了 · le5 · liao3
CC-CEDICT contributors and MDBG · edition 2026-10-13 · source lines 4,600, 4,601
Original dictionary · CC BY-SA 4.0 · Source & transformation details
Exact source records了 了 [le5] /(completed action marker)/(modal particle indicating change of state, situation now)/(modal particle intensifying preceding clause)/了 了 [liao3] /to finish/(used with 得[de2] or 不[bu4] after a verb to express (im)possibility, as in 忘不了[wang4 bu5 liao3] "cannot forget")/(literary) (usually followed by a negative such as 無|无[wu2] or 不[bu4]) completely (not); entirely (not); (not) in the least/variant of 瞭|了[liao3]/