1. 你好吗? (nǐ hǎo ma?)
* This is the most common and general way to ask "how are you?"
* It's appropriate for most situations, including friends, colleagues, and acquaintances.
* It literally translates to "are you good?"
2. 你怎么样? (nǐ zěnmeyàng?)
* This is a slightly more informal and direct way to ask "how are you?"
* It's more suitable for close friends or family.
* It literally translates to "how are you doing?"
Both phrases are acceptable and commonly used. You can choose which one to use based on your comfort level and the situation.