"Fig. extremely difficult" • Chinese-English Dictionary
| 比登天还难 | bǐ dēng tiān hái nán | lit. even harder than reaching the sky (idiom) / fig. extremely difficult / far from an easy task |  |
| 比登天还难 | bǐ dēng tiān hái nán | lit. even harder than reaching the sky (idiom) / fig. extremely difficult / far from an easy task | |