what are the origins of hi, hey, hello? - English Language Usage . . . 'Hey' ( perhaps originally a natural expression) appears to be at the origin of 'hi', while 'hello' seems to have no connection with the previous two terms and a different origin (mainly as a telephone greeting) Hi: greeting, 1862, American English (first recorded reference is to speech of a Kansas Indian), originally to attract attention (15c ), probably a variant of Middle English hy, hey
英语打招呼打招呼用 Hello 跟用 Hi 或者用 Hey 的区别是什么？ Hello表示关系比较远，稍微正式一点的问好，跟年长或级别比自己高的人一般用这个。Hi日常打招呼最常用，简洁，对关系比较近的人用。Hey（我通常不用平音，而是用往上扬再向下降的音调，是一个长音）就是亲近的朋友间用最多，有种俏皮，高兴见到你的情绪在里面。
differences - The use of hey in North America - English Language . . . 'Hey, is for horses' is a complete non-sequitur It can be used as either a pithy bon mot to jostle a friend, or a snide comment to completely distract and put off a mere acquaintance Any reasonable person who is non-confrontational and relatively interested in the conversation will more than likely never say it unless you know them well
Do interjections like “but hey” have commas between them? For example: “But hey, at least now you know ” As opposed to, “But, hey, at least now you know ” The question also applies to other interjections like “hey son” and “oh well ” What is the correct usage?
phrases - When should I use hey there or hi there? - English . . . It's a personal preference Both "hi there" and "hi" are informal greetings that can be used interchangeably That being said, I rarely (if ever) hear someone use "hey there" or "hi there" I would say that those forms have fallen into relative disuse If you happen to be a Mouseketeer in the 1950's, you may not have a choice in the matter