如果你想用英语表达"男生上台发言"的意思，可以说"a male student takes the stage to give a speech"。其中，"stage"指的是舞台，"give a speech"表示发表演讲。例句：
The male student nervously took the stage to give his speech on the importance of education.
I was impressed by the confidence with which the male student took the stage to give his speech.
这种表达方式源自英语中常用的语法和词汇，用来描述一个人站上舞台发表演讲的情况。