Have you guys ever been in an awkward situation before, where you kinda know the person but don't really know the person and you want to say "Hi" to the person but don't know if she'll/he'll say "hi" back (because you don't want to look like an idiot). So, this is the dilemma I'm constantly facing nowadays, should I say "hi" to a person I don't really know but kinda know (like a classmate)? Like I said, at the same time I don't want to look like an idiot! There are times when I've said hi to people and they don't say anything back I feel like an idiot. Any advice?