What does ni hui shuo hanyu ma mean in Chinese?

Let's break it down:

* 你 (nǐ): You

* 会 (huì): Can, know how to

* 说 (shuō): Speak

* 汉语 (hànyǔ): Chinese language

* 吗 (ma): Question particle (indicates a question)

So, the entire sentence asks "Do you know how to speak Chinese?"