了 marks completion
Example sentences
- 他来了。Tā lái le.He has come.
- 我买了一本书。Wǒ mǎi le yì běn shū.I bought a book.
HSK 1 — the first of the six levels: 150 words. You can greet people, say who you are and ask simple questions. In HSK 3.0, 了 is in band 1. HSK 1 explained
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Stroke order
了 is written in 2 strokes.

- 了
Senses
- (completed action marker)
- (modal particle indicating change of state, situation now)
- (modal particle intensifying preceding clause)
How 了 is used
了 marks completion: after the verb, or closing the clause (我买了一本书).
Related words
Where 了 lives
了 is pronounced le and means “marks completion”.