chéng > nán shàng tiān
nán shàng tiān Difficult to heaven

拼音: nán yú shàng tiān

解释: shàng tiān hái nánxíng róng kùn nán shí xiàn

资料来源: hàn · méi chéngshàng shū jiàn wáng》: ruò suǒ wéiwēi lěi luǎn nán shàng tiān