现在很多大学生都不懂礼仪的翻译：Now many students didn't know etiquette 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Now many college students do not understand etiquette

Now many students didn't know etiquette

Now very many university students all do not understand the etiquette

Now many college students do not speak etiquette

Now many students didn't know etiquette