根 On the HSK 4 vocabulary list, at CEFR level B2. gēn ㄍㄣ root basis classifier for long slender objects, e.g. cigarettes, guitar strings radical (chemistry) 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