- 现阶段 xiànjiēduàn current stagethe current period or stage of a process
- 阶段性 jiēduànxìng periodic; stagedoccurring in stages; gradual; specific to a particular stage of a project or process; interim
- 初级阶段 chūjíjiēduàn primary stageThe beginning or earliest level in the development of a process or system, often used in the context of the primary stage of socialism
- 光照阶段 guāngzhàojiēduàn photostagea specific phase in the development of a plant that is dependent on light and darkness; or the duration of daylight
- 新阶段 xīnjiēduàn new stagea new stage or level; a higher plane