| 1 | 艰苦 | 艱苦 | jiān kǔ | jian1 ku3 | difficult; hard; arduous | | |
| 2 | 艰难 | 艱難 | jiān nán | jian1 nan2 | difficult; hard; challenging | | |
| 3 | 艰巨 | 艱巨 | jiān jù | jian1 ju4 | arduous; terrible (task); very difficult; formidable | | |
| 4 | 艰苦奋斗 | 艱苦奮鬥 | jiān kǔ fèn dòu | jian1 ku3 fen4 dou4 | to struggle arduously | | |
| 5 | 艰辛 | 艱辛 | jiān xīn | jian1 xin1 | hardships; arduous; difficult | | |
| 6 | 艰巨性 | 艱巨性 | jiān jù xìng | jian1 ju4 xing4 | arduousness; formidability; difficulty | | |
| 7 | 艰苦备尝 | 艱苦備嘗 | jiān kǔ bèi cháng | jian1 ku3 bei4 chang2 | to have suffered untold hardships (idiom) | | |
| 8 | 艰苦朴素 | 艱苦樸素 | jiān kǔ pǔ sù | jian1 ku3 pu3 su4 | leading a plain, hardworking life (idiom) | | |
| 9 | 艰苦卓绝 | 艱苦卓絕 | jiān kǔ zhuó jué | jian1 ku3 zhuo2 jue2 | extraordinarily arduous (idiom) | | |
| 10 | 艰 | 艱 | jiān | jian1 | difficult; hard; hardship | | |
| 11 | 艰难度日 | 艱難度日 | jiān nán dù rì | jian1 nan2 du4 ri4 | to subsist in hardship; to eke out one's livelihood (idiom) | | |
| 12 | 艰难竭蹶 | 艱難竭蹶 | jiān nán jié jué | jian1 nan2 jie2 jue2 | difficulties and destitution (idiom) | | |
| 13 | 艰难曲折 | 艱難曲折 | jiān nán qǔ zhé | jian1 nan2 qu3 zhe2 | Difficult and twisted | | |
| 14 | 艰难险阻 | 艱難險阻 | jiān nán xiǎn zǔ | jian1 nan2 xian3 zu3 | untold dangers and difficulties (idiom) | | |
| 15 | 艰深 | 艱深 | jiān shēn | jian1 shen1 | abstruse; complicated | | |
| 16 | 艰深晦涩 | 艱深晦澀 | jiān shēn huì sè | jian1 shen1 hui4 se4 | abstruse and unfathomable (idiom) | | |
| 17 | 艰险 | 艱險 | jiān xiǎn | jian1 xian3 | difficult and dangerous; hardships and perils | | |