困難 Simplified: 困难 On the HSK 3 vocabulary list, at CEFR level B1. kùnnan ㄎㄨㄣˋ ˙ㄋㄢ difficult challenging straitened circumstances difficult situation Where 困難 is used Example sentences and grammar articles using 困難 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT