| 艰难HSK 6 | jiān nán | difficult; hard; challenging | |
| 艰苦HSK 5 | jiān kǔ | difficult; hard; arduous | |
| 艰巨HSK 5 | jiān jù | arduous; terrible (task); very difficult; formidable | |
| 艰辛 | jiān xīn | hardships; arduous; difficult | |
| 艰险 | jiān xiǎn | difficult and dangerous; hardships and perils |
| 1 | We are faced with difficult economic situation. | |
| 2 | They jointly completed this arduous task. | |
| 3 | He has been through many difficult years. | |
| 4 | When I was a child, I lived in the countryside, and life was very hard. | |
| 5 | This project requires extended and arduous practice. |