Many of us don't talk to strangers we meet on the street. Either we're too busy to notice other people, or we're too shy to start a conversation. However, in the United States, saying "hello" is the way people greet one another.
"Hello" has the ability to start a conversation. And when the conversation is with someone people don't know, that's really nerve-wrecking. People are very worried about their safety. For example, if a strange man says "hello" to a woman walking down the street, the woman may respond(回应)very carefully. Her worries are about he physical and emotional comfort. It's because these are people we don't know, and we don't know whether or not we can trust them. So it makes sense that most people with social worries are stressed around strangers.
"Hello" is just a word people use to greet one another. When you say "hello" to a stranger, it's a way to fill the silence instead of letting the situation be difficult. By offering up the simplest greeting, you could make someone's day. You wouldn't even know how good it is to make others feel like they are important. So just say "hello" to them. You never go wrong with a simple greeting.
So how do you get the courage to say hello? You can start by saying "hello" to your reflection in a mirror or saying "hello" to greet your friends first. You can also say "hello" to strangers online. And finally, you become used to saying "hello". Remember "hello" is a word full of power, and that it is important to show others they are deserving(值得)this very simple greeting.