老同学

• I have nothing to do with my old classmates anymore
  （我和我的老同学都不再有联系了。 ）
• Have you kept in touch with many of your old classmates
  你还和你的很多老同学保持联系吗？
• His old classmates are meeting tonight to do a collection
  他的老同学今天晚上要一起去募捐
• Chen hong meets his former classmate xie hui on the bus
  陈虹在公共汽车上碰到了老同学谢辉。
• How many of your old school friends do you keep up with
  你和中学时的老同学保持联系的有多少
• My old school friends are scattered far and wide over the country
  我的老同学分散在全国各地。
• I came across an old school friend in the street a few days ago
  几天前我在街上碰见一个老同学。
• I met an old classmate in the bookshop suddenly in that day
  那天我在书店偶然遇到了一位老同学。
• She ran / into / one of his old classmates in the street yesterday
  她昨天在马路上遇到一位老同学。
• My old school buddy is banging bouquet
  咱老同学睡了布克！