| 所以HSK 2 | suǒ yǐ | therefore; as a result; so; the reason why | |
| 所有HSK 4 | suǒ yǒu | all; to have; to possess; to own | |
| 所谓 | suǒ wèi | so-called; what is called | |
| 有所 | yǒu suǒ | somewhat; to some extent | |
| 所在HSK 5 | suǒ zài | place; location; (after a noun) place where it is located |
| 1 | Smoking is prohibited in public places. | |
| 2 | It is said that practice makes perfect. | |
| 3 | Excuse me, Is there a restroom here? | |
| 4 | Excuse me, is the restroom on this side? | |
| 5 | Almost everyone likes her. |