Formal:
* 您好吗? (Nín hǎo ma?) - This is the most polite and formal way to ask, suitable for strangers, elders, and people in positions of authority.
* 您最近怎么样? (Nín zuìjìn zěnmeyàng?) - This means "How are you doing recently?" and is also very formal.
Informal:
* 你好吗? (Nǐ hǎo ma?) - This is the most common and casual way to ask, suitable for friends and family.
* 最近怎么样? (Zuìjìn zěnmeyàng?) - This means "How are you doing recently?" and is more informal than the formal version.
* 怎么样? (Zěnmeyàng?) - This is a very casual and informal way to ask, often used among close friends.
You can also use different phrases to express your concern for someone's well-being:
* 身体好吗? (Shēntǐ hǎo ma?) - This means "Are you feeling well?"
* 工作怎么样? (Gōngzuò zěnmeyàng?) - This means "How is work going?"
* 学习怎么样? (Xuéxí zěnmeyàng?) - This means "How is school going?"
Remember to adjust your tone and body language to match the level of formality you are aiming for.