(Qǐng yòng Yīngyǔ shuō.)
This translates to "Please speak English."
It's important to note that while this phrase is grammatically correct, it's not a natural way to express this request in Chinese.
Here are some more natural ways to say "please speak English" in Chinese:
* 请你用英语说。 (Qǐng nǐ yòng Yīngyǔ shuō.) - "Please speak in English."
* 你能用英语说吗？ (Nǐ néng yòng Yīngyǔ shuō ma?) - "Can you speak English?"
* 请你说英文。 (Qǐng nǐ shuō Yīngwén.) - "Please speak English."