How do you say speak better Chinese than you?

There are a few ways to say "speak better Chinese than you" in Chinese, depending on the context and formality:

Formal:

* 你的中文比我更流利。 (Nǐ de zhōngwén bǐ wǒ gèng liú lì.) This means "Your Chinese is more fluent than mine."

* 你的中文水平比我高。 (Nǐ de zhōngwén shuǐpíng bǐ wǒ gāo.) This means "Your Chinese level is higher than mine."

Informal:

* 你中文比我好。 (Nǐ zhōngwén bǐ wǒ hǎo.) This means "Your Chinese is better than mine."

* 你的中文比我厉害。 (Nǐ de zhōngwén bǐ wǒ lìhai.) This means "Your Chinese is better than mine, you're skilled."

More colloquial:

* 你中文比我溜。 (Nǐ zhōngwén bǐ wǒ liū.) This means "Your Chinese is more fluent than mine" and uses a slang term for "fluent."

You can choose the phrase that best suits the situation.