1) ignorance
顽
1.
We explained the original meaning and descendant meaning of ignorance(顽)and virtuous,renew explained "ignoramus became a virtuous man "of MENGZI,Cited other Chinese ancient literatures about Bo Yi(伯夷).
通过全面考察"顽"与"廉"词义发展的线索,再参证其它相关文献,可以看出"顽夫廉"中的"顽"应指"愚妄无知",相应地"廉"应指"有操守","顽夫廉"意为"糊涂而不知礼仪的人也变得行为端正有操守了。
2) "wan"
“顽”
1.
Explanation of "wan"——Correctetions of An Unabridged Chinese Dictionary;
释“顽”——《汉语大词典》释义商榷
3) Obstinate disorder
顽疾
4) Stubborn
顽固
1.
Embolization Treatment of Stubborn Hemoptysis Pulmonary Tuberculosis;
肺结核顽固性咯血的栓塞治疗
5) Serious illness
顽症
6) magnetic property
顽力
参考词条
补充资料：哀感顽艳
顽：顽钝。艳：巧慧。谓诗文内容凄恻动人：这首离别诗写得非常哀感顽艳｜咏北狄之遐征，奏胡马之长思；凄入肝脾，哀感顽艳。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。