- 困难重重 kùnnánchóngchóng full of difficultiesdescribes a situation where there are many layers or instances of difficulties and obstacles.
- 吞咽困难 tūnyànkùnnán dysphagiadysphagia (difficulty swallowing)
- 诵读困难症 sòngdúkùnnanzhèng dyslexia
- 面临困难 miànlínkùnnán facing difficultiesto be faced with problems
- 困难在于 kùnnanzàiyú the difficulty liesthe problem is...
- 咽下困难 yànxiàkùnnán dysphagiadifficulty in swallowing; dysphagia