疑难

疑難

yínán

adjective #34,847

Meanings

1 difficult
2 knotty
3 complicated
4 hard to resolve

Characters

to doubt; uncertain

Examples

他专门研究疑难病例。

Tā zhuānmén yánjiū yínán bìnglì.

He specializes in studying difficult medical cases.

这是一个疑难问题。

Zhè shì yī gè yínán wèntí.

This is a knotty problem.

Tips

usage

疑难 commonly attaches to specific nouns: 疑难问题 (knotty problem), 疑难病例 (difficult medical case), 疑难杂症 (intractable illnesses). Compare with 困难 kùnnán which is a more general 'difficult' and works as both adjective and noun.

Stroke Order

疑 yí

难 nán