Sana: 艱深
Pinyin: jiān shēn
Antonyms:

淺易

(qiǎn yì)


深刻

(shēn kè)


難解

(nán jiě)


淺顯

(qiǎn xiǎn)


深遠

(shēn yuǎn)


深奧

(shēn ào)


淺近

(qiǎn jìn)