- 第一流 dìyīliú first-classtop-rate; first-class; the most excellent person or thing
- 超一流 chāoyīliú super-first-classBeing beyond first-class or top-tier; reaching the highest possible level of quality or status
- 世界一流大学和一流学科建设 shìjièyīliúdàxuéhéyīliúxuékējiànshè Double First-Class university planWorld First-Class University and First-Class Academic Discipline Construction, a major tertiary education development plan in mainland China to develop elite universities and departments into world-class institutions
- 双一流 shuāngyīliú Double First-Class(abbreviation) the Double First-Class University Plan, a government project to develop a group of elite universities and subject departments into world-class institutions by 2050.