同学们用英语怎么说

"How to say '同学们用英语怎么说' in English?"

"Classmates, how do you say this in English?" or "What is the English phrase for '同学们用英语怎么说'?"

The English phrase for "同学们用英语怎么说" would be "What is the English expression for 'classmates using English'?"