It's etiquette and a form of salutation. On should say, 'Hello' to someone in business, but, if a friend you can use the short form of 'Hi' or any form of salutation (Example: slang) 'Yo there babe!'
To say hello in French when you meet someone you would say bonjour.
If someone simply feels like greeting you, they can. Hello is a greeting that people constantly say to each other.
when someone says hello you also say HELLO, hahaha der!!
don't ask them anything just say HELLO
I just say hello
When you meet someone known person: you say ZDRAVEI (something like Hello in Eng.)
Ancient Troy doesn't exist anymore therefore you could not say hello to them.Haha that rocks.
No one colloquial term of a certain language can be translated into another language. Usually we can say "Vanakkam" when we meet honorable people; and, we can say "Vaanga" when you meet normal people.
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Hello, my name is........
I say "Hello."
say hello