Informal:
* 我中文不好 (wǒ zhōngwén bù hǎo): This is the most common and direct way to say it. It literally translates to "My Chinese is not good."
* 我中文不太好 (wǒ zhōngwén bù tài hǎo): This is slightly more polite than the previous option and means "My Chinese is not very good."
* 我中文说得不好 (wǒ zhōngwén shuō de bù hǎo): This emphasizes the speaking aspect and translates to "I don't speak Chinese well."
Formal:
* 我的中文水平有限 (wǒ de zhōngwén shuǐpíng yǒuxiàn): This means "My Chinese level is limited" and is a more formal and indirect way of saying you're not fluent.
* 我的中文水平还有待提高 (wǒ de zhōngwén shuǐpíng hái yǒu dài tígāo): This means "My Chinese level still needs improvement" and is a polite way to acknowledge your lack of fluency while also expressing your desire to improve.
Humorous:
* 我的中文很烂 (wǒ de zhōngwén hěn làn): This means "My Chinese is very bad" and is a humorous way to express your lack of fluency. However, be careful using this phrase as it can be considered rude in some situations.
Remember: The best way to say it depends on the context and your relationship with the person you are talking to.
Additionally:
* You can also add "但是我正在努力学习 (dànshì wǒ zhèngzài nǔlì xuéxí)," which means "But I'm working hard to learn." This shows your willingness to improve.
* If you want to be more specific about your weaknesses, you can say things like:
* 我不太会说 (wǒ bù tài huì shuō): "I'm not good at speaking."
* 我的发音不好 (wǒ de fāyīn bù hǎo): "My pronunciation is not good."
* 我的语法不太好 (wǒ de yǔfǎ bù tài hǎo): "My grammar is not very good."
No matter how you choose to say it, remember to be polite and respectful, and always be open to learning and improving your Chinese skills!