同窗 (tóng chuāng) — schoolmate (formal, literary)

Definição

Exemplos

• 他是我大学时期的同窗，毕业后再没见过。
  Tā shì wǒ dà xué shí qī de tóng chuāng, bì yè hòu zài méi jiàn guò.
  He was my schoolmate from university; I haven't seen him since graduation.
• 致我的老同窗，谨以此信表达对往日的怀念。
  Zhì wǒ de lǎo tóng chuāng, jǐn yǐ cǐ xìn biǎo dá duì wǎng rì de huái niàn.
  To my old schoolmate, I write this letter to express my nostalgia for the past.
• 这次同窗聚会让我们重温了青春岁月。
  Zhè cì tóng chuāng jù huì ràng wǒ men chóng wēn le qīng chūn suì yuè.
  This schoolmate reunion allowed us to relive our youthful days.