How to say hello in English?

1, as long as friends can use greetings:

Is everything all right?

What's new? What's new?

What happened?

2, you can use it at any time, but it is a stranger: How are you?

3. Suitable for first meeting: Nice to meet you. Nice to meet you.

Suitable for people who have seen it before but are not familiar with it: Nice to see you again. Nice to see you again.

4. For friends who haven't seen each other for a while: How have you been?

5, suitable for friends who haven't seen you for a long time: long time no see. Haven't seen you for a long time.

Extended data:

Greetings can be answered in the following ways:

1, in good condition, full, busy:

It couldn't be better. Good, good.

I'm busy. I'm just busy.

2, just so-so, just like this:

Can't complain There is nothing to complain about. It's good.

Stay out of trouble. Live a good life and don't make mistakes.

Not bad. Nothing special, just living.

3. Some disappointing things have happened recently:

Not so good. Not so good.

I've had better days. I'm much better. Not so good, ie there have been better stages before.