所长 Traditional (Taiwan): 所長 On the HSK 3 vocabulary list, at CEFR level B1. suǒcháng ㄙㄨㄛˇ ㄔㄤˊ what one is good at one's strong point suǒzhǎng ㄙㄨㄛˇ ㄓㄤˇ director head of an institute, office or station 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