| 艰 | [ jiān ] difficult, hard, hardship |
| 艰巨 | [ jiān jù ] arduous, terrible (task), very difficult, formidable |
| 艰巨性 | [ jiān jù xìng ] arduousness, formidability, difficulty |
| 艰深 | [ jiān shēn ] abstruse, complicated |
| 艰深晦涩 | [ jiān shēn huì sè ] abstruse and unfathomable (idiom) |
| 艰苦 | [ jiān kǔ ] difficult, hard, arduous |
| 艰苦奋斗 | [ jiān kǔ fèn doù ] to struggle arduously |
| 艰苦朴素 | [ jiān kǔ pǔ sù ] leading a plain, hardworking life (idiom) |
| 艰辛 | [ jiān xīn ] hardships, arduous, difficult |
| 艰险 | [ jiān xiǎn ] difficult and dangerous, hardships and perils |
| 艰难 | [ jiān nán ] difficult, hard, challenging |
| 艰难险阻 | [ jiān nán xiǎn zǔ ] untold dangers and difficulties (idiom) |
| ⇒ 丁艰 | [ dīng jiān ] (literary) to be in mourning after the death of a parent |
| ⇒ 不避艰险 | [ bù bì jiān xiǎn ] shrink or flinch from no difficulty or danger, make light of difficulties and dangers |
| ⇒ 人艰不拆 | [ rén jiān bù chaī ] life is hard enough as it is; don't burst my bubble (Internet slang) |
| ⇒ 步履维艰 | [ bù lǚ weí jiān ] to have difficulty walking (idiom), to walk with difficulty |
| ⇒ 举步维艰 | [ jǔ bù weí jiān ] to make progress only with great difficulty (idiom) |