| 硫酸 | liú suān | sulfuric acid H2SO4; sulfate | |
| 辛酸 | xīn suān | pungent (taste); bitter; fig. sad; miserable | |
| 氨基酸 | ān jī suān | amino acid | |
| 心酸 | xīn suān | to feel sad | |
| 盐酸 | yán suān | hydrochloric acid HCl |
| 1 | Orange juice tastes both sour and sweet. | |
| 2 | I had a bowl of hot and sour soup today. | |
| 3 | Fries can be dipped in yogurt or ketchup. | |
| 4 | I eat a cup of yogurt every morning. | |
| 5 | This dish is very sour, do you want to add some sugar? |
