classmate
【读音】：英 [ˈklɑ:smeɪt] 美 [ˈklæsmeɪt]
【释义】：n.（同班）同学;级友
schoolmate
【读音】：英 [ˈsku:lmeɪt] 美 [ˈskulˌmet]
【释义】：n.同学，校友
condisciple
【读音】：英 [ˌkɒndɪ'saɪpl] 美 [ˌkɒndɪ'saɪpəl]
【释义】：n.同学，同窗
classmate【例句】：
She felt like a fifth-grader who had snitched on a classmate.
她觉得自己就像一个告发了同班同学的五年级学生。
He made a profession of friendship to his classmate mary.
他向他的同学玛丽表白了他的友情。
He turned around, and I recognized him as a former classmate.
他转过来，我才认出是位老同学。
My husband was getting nowhere in his own so he decided to cast in his lot with his former classmate and now they're successfully in business together.
我丈夫一个人举足艰难，因此他决定和他的老同学合伙干，现在他们在一起干得很有成就。
This is my classmate.
这是我的同学。
schoolmate【例句】：
He started the magazine with a schoolmate
他和一个同学创办了那份杂志。
He was a favorite with his schoolmasters but not his schoolmates.
学校的老师们很喜欢他，但同学们对他并不待见。
《柯林斯高阶英汉双解学习词典》
An old schoolmate is coming.
一个老校友来了。
I met my old schoolmate, who was very pleased to see me.
我遇到了我的老同学，他见到我也很高兴。
I hoped can become better in teacher and under schoolmate's instruction.
我希望在老师和同学的指导下能变得更好。