比登天还难 bǐ dēng tiān hái nán

DEFINITIONS

  1. lit. even harder than reaching the sky (idiom)
  2. fig. extremely difficult
  3. far from an easy task

CHARACTERS

比 bǐ to compare, liken; comparison; than
登 dēng rise, mount, board, climb
天 tiān sky, heaven; god, celestial
还 hái still, yet, also, besides
难 nán difficult, arduous, hard; unable