Definitions

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

Components

• 比 Bǐ – PN:Belgium
• 登 dēng – to scale (a height)
• 天 tiān – day
• 还 hái – still
• 难 nán – difficult (to...)