How do you say hello in Northern Chinese?

There are a few ways to say "hello" in Northern Chinese, depending on the context and level of formality. Here are some options:

Formal:

* 您好 (nǐ hǎo): This is the most common and polite way to say "hello" in any situation.

* 您早 (nín zǎo): This is used in the morning, equivalent to "good morning".

* 您下午好 (nín xià wǔ hǎo): This is used in the afternoon, equivalent to "good afternoon".

* 您晚上好 (nín wǎn shàng hǎo): This is used in the evening, equivalent to "good evening".

Informal:

* 你好 (nǐ hǎo): This is a more casual version of "您好" and can be used with friends and family.

* 早上好 (zǎo shàng hǎo): This is the informal version of "您早", used with friends and family.

* 下午好 (xià wǔ hǎo): This is the informal version of "您下午好", used with friends and family.

* 晚上好 (wǎn shàng hǎo): This is the informal version of "您晚上好", used with friends and family.

Other:

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

* 喂 (wèi): This is used to get someone's attention, similar to "hello" on the phone.

Note: The formal versions are always more respectful, and you should use them when speaking to people you don't know well or those in positions of authority. The informal versions are more appropriate for friends and family.