困難〔-难〕 kwan³ naan⁴ {kùn nan}

(noun) difficulty

困難〔-难〕 kwan³ naan⁴ {kùn nan}

1. difficult
2. challenging
3. straitened circumstances
4. difficult situation

困難重重〔-难--〕 kwan³ naan⁴ cung⁴ cung⁴ {kùn nan chóng chóng}

many difficulties; many challenges

困難在於〔-难-于〕 kwan³ naan⁴ zoi⁶ jyu¹ {kùn nán zài yú}

the problem is...