Como é que se fala Olá em inglês?

hello interj Olá, meu querido amigo!

Como responder um Hi there?

Assim: Hello, there! Hi, there! Hey there!

Qual a diferença entre Hello e Hi there?

“Hello” is just a simple greeting, while “hello there,” can have a friendlier/more flirty connotation. For example, you would say, “hello,” while greeting the cashier at your local supermarket. … Remember that although it may usually have a flirty/friendly/surprised connotation, that is not always the case!