沿 On the HSK 6 vocabulary list, at CEFR level C2. yán ㄧㄢˊ along to follow (a line, tradition etc) to carry on to trim (a border with braid, tape etc) border edge 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