How do you say not speak in Chinese?

There are a few ways to say "not speak" in Chinese, depending on the context and nuance you want to convey:

Formal:

* 不会说 (bù huì shuō) - This is the most common and general way to say "not speak" and means "not know how to speak." It's suitable for formal situations.

Informal:

* 不会 (bù huì) - This is a shortened version of "不会说" and is commonly used in informal situations. It's understood to mean "not speak" in the context of the conversation.

* 不会讲 (bù huì jiǎng) - This is another informal way to say "not speak" and is similar to "不会说."

* 不讲 (bù jiǎng) - This is a more casual way to say "not speak" and can be used to indicate a refusal to speak about a specific topic.

Negative questions:

* 不会说 (bù huì shuō) - This can also be used in a negative question like "You don't speak [language], do you?" (你不会说[语言], 对吧？ nǐ bù huì shuō [yǔyán], duì ba?)

Examples:

* 我不会说英语。 (wǒ bù huì shuō yīngyǔ.) - I don't speak English.

* 他不会讲法语。 (tā bù huì jiǎng fǎyǔ.) - He doesn't speak French.

* 我们不讲这个。 (wǒmen bù jiǎng zhège.) - We won't talk about this.

The best choice will depend on the specific situation and your relationship with the person you are speaking to.