King's Kung-Fu& Tai Chi

Chinese symbol for “knotty”

疑难
yí nán
Traditional: 疑難
hard to understand; difficult to deal with; knotty; complicated

The closest CC-CEDICT match for knotty is 疑难 (yí nán), defined as: hard to understand; difficult to deal with; knotty; complicated.

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Characters and stroke order

疑 yí
to doubt, to question, to suspect
radical 103 ⽦ · 14 strokes
难 nán
hard, difficult, arduous; unable
radical 172 ⾫ · 10 strokes

Traditional forms

Related words

Other words that share a character with 疑难.

WordPinyinMeaning
怀疑 (懷疑)huái yíto doubt (sth); to be skeptical of; to have one's doubts; to harbor suspicions; to suspect that
质疑 (質疑)zhì yíto call into question; to challenge (the truth or validity of)
无疑 (無疑)wú yíundoubtedly; without doubt
疑问 (疑問)yí wènquestion; interrogation
毫无疑问 (毫無疑問)háo wú yí wèncertainty; without a doubt
嫌疑人xián yí réna suspect
困难 (困難)kùn nandifficult; challenging
难道 (難道)nán dàodon't tell me ...; could it be that...?

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3); Make Me a Hanzi (Arphic Public License (graphics.txt); LGPL-3.0-or-later (dictionary.txt)); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.