Occupation/occupations in Chinese is 职业（zhi’ye）。Principal in Chinese is 校长（xiao’zhang）。Teachers in Chinese is 老师（lao’shi）。Students in Chinese is 学生（xue’sheng）。Librarian in Chinese is 图书管理员（tu’shu’guan’li’yuan）。
Bonus: School in Chinese is 学校（xue’xiao）。
Each word is going to be said once in English and five times in Chinese.
