"小伙"是指年轻的男性，可以翻译成"young man"。

"老师"是指教师，可以翻译成"teacher"。

因此，"小伙和老师说英语"可以翻译成"the young man and the teacher speak Engpsh"。

这个表达的来源是英文，是用来描述年轻的男性和教师之间在英语中进行交流的情况。

一些英文例句和中文翻译如下：

The young man and the teacher were having a conversation in Engpsh. (小伙和老师正在用英语进行交流。)

The young man asked the teacher a question in Engpsh. (小伙用英语向老师提出了一个问题。)

The teacher corrected the young man's Engpsh pronunciation. (老师纠正了小伙的英语发音。)

希望这些信息对你有帮助。