艰

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

人艰不拆

rén jiān bù chāi

life is hard enough as it is; don't burst my bubble (Internet slang)

备尝艰苦

bèi cháng jiān kǔ

see 備嘗辛苦|备尝辛苦[bei4 chang2 xin1 ku3]

步履维艰

bù lǚ wéi jiān

to have difficulty walking (idiom)

举步维艰

jǔ bù wéi jiān

to make progress only with great difficulty (idiom)

艰巨

jiān jù

variant of 艱鉅|艰巨[jian1 ju4]

艰巨性

jiān jù xìng

arduousness

艰深

jiān shēn

abstruse

艰深晦涩

jiān shēn huì sè

abstruse and unfathomable (idiom)

艰苦

jiān kǔ

difficult

艰苦奋斗

jiān kǔ fèn dòu

to struggle arduously