可是 (kě shì) means “but; however; (used for emphasis) indeed”. It is an HSK 4 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
天气很冷,可是我还是出门了。
Tiānqì hěn lěng, kěshì wǒ háishì chūmén le.
The weather was cold, but I still went out.
Updated: 2026-05-27