难于登天是什么意思_难于登天用英语怎么说_难于登天的翻译_难于登天翻译成_难于登天的中文意思_难于登天怎么读,难于登天的读音,难于登天的用法,难于登天的例句

释义

• be as difficult as climbing up to heaven  
  难于登天;
• be harder than to ascend to heaven  
  难于登天;
• be harder than to leap to the sky  
  难于登天;
• be more difficult than climbing up to heaven  
  难于登天;