| 尖锐HSK 6 | jiān ruì | sharp; intense; penetrating; pointed; acute (illness) | |
| 敏锐HSK 6 | mǐn ruì | keen; sharp; acute | |
| 锐气 | ruì qì | acute spirit; dash; drive | |
| 锐利 | ruì lì | sharp; keen; acute; incisive; penetrating; perceptive | |
| 锐意 | ruì yì | acute determination; dauntless |
| 1 | This issue is very sharp. | |
| 2 | Diligent learners often have keen powers of observation. | |
| 3 | The west is suffering from severe drought, leading to sharp decreases in crop yields. | |
| 4 | His eyes are very sharp and can see far away things clearly. | |
| 5 | The success of this film lies in the producer's keen market sense. |