How do say hi in Chinese language?

There are several ways to say "hi" in Chinese, depending on the context and formality:

Formal:

* 您好 (nǐ hǎo): This is the most common and polite greeting, suitable for all situations. It literally means "you good."

* 请问 (qǐng wèn): This is used when you want to ask a question politely. It literally means "please ask."

Informal:

* 你好 (nǐ hǎo): This is a more casual version of 您好.

* 嗨 (hāi): This is a very informal greeting, similar to "hey."

* 喂 (wèi): This is used to get someone's attention. It's similar to "hello" in English.

Other greetings:

* 早安 (zǎo ān): This is used to say "good morning."

* 下午好 (xià wǔ hǎo): This is used to say "good afternoon."

* 晚上好 (wǎn shàng hǎo): This is used to say "good evening."

The best way to choose a greeting is to consider the context and your relationship with the person you are speaking to.