What does Ni hao ma bu mean?

"Ni hao ma bu" is not a correct phrase in Mandarin Chinese. It's likely a combination of two phrases:

* 你好吗 (nǐ hǎo ma)? This means "How are you?"

* 不 (bù) This means "no" or "not".

Possible Interpretations:

1. "你好吗, 不" (nǐ hǎo ma, bù) - This would mean "How are you, not?" which doesn't make sense in a typical conversation.

2. "你好吗, 不好" (nǐ hǎo ma, bù hǎo) - This means "How are you, not good" which would translate to "I'm not well".

It's important to note that the context of the phrase is important for proper interpretation.

Please double-check the phrase and provide more context if you want a more accurate translation.