比登天还难 bǐdēngtiānháinán extremely difficult Definitions Defs Origin Strokes Stroke Words Sentences Sents 比登天还难 比登天還難 bǐdēngtiānháinán extremely difficult (idiom) even harder than reaching the sky; far from an easy task; impossible to achieve even with great ability
比登天还难 比登天還難 bǐdēngtiānháinán extremely difficult (idiom) even harder than reaching the sky; far from an easy task; impossible to achieve even with great ability