| 努力HSK 3 | nǔ lì | great effort; to strive; to try hard | |
| 努嘴 | nǔ zuǐ | to pout; to stick out one's lips | |
| 拜科努尔 | bài kē nǔ ěr | Baikonur (Russian space launch site in Kazakhstan) | |
| 阿伊努 | ā yī nǔ | Ainu (ethnic group of Japan's north and Russia's east) | |
| 奇努克 | qí nǔ kè | Chinook (helicopter) |
| 1 | She works very hard. | |
| 2 | He made an effort to quit smoking. | |
| 3 | He is still working hard. | |
| 4 | I study foreign languages very hard. | |
| 5 | We still have to keep working hard. |