老同学

• old boy

例句

1. 你和中学时的老同学保持联系的有多少？
   How many of your old school friends do you keep up with?
2. 今天早上我在超级市场碰见了一个老同学。
   I ran into an old schoolfriend at the supermarket this morning.
3. 我想寻找我的一个老同学。
   I want to search out an old school friend.
4. 我要去看望我的一位老同学。
   I'm going to call on one of my former classmates.