疑难

Traditional form:

疑難

Pinyin (reading):

yínán

Definitions:

• hard to understand
• difficult to deal with
• knotty
• complicated

Characters:

• 疑 - to doubt, to question, to suspect
• 难 - hard, difficult, arduous; unable

Traditional characters:

• 疑 - to doubt, to question, to suspect
• 難 - hard, difficult, arduous; unable