死 (sǐ) means “to die; impassable; uncrossable; inflexible; rigid; extremely; damned”. It is an HSK 4 Chinese character in the HSK 3.0 vocabulary.
那棵树已经死了。
Nà kē shù yǐjīng sǐ le.
That tree is already dead.
Updated: 2026-05-27