hey

中文： 喂、哎、嗨、嘿

1. An exclamation to get attention. (informal) · Hey, look at this!· Hey! Listen!
2. A protest or reprimand. (informal) · Hey! Stop that!
3. An expression of surprise. (informal) · Hey! This is new!
4. An informal greeting, similar to hi. (informal) · Hey! How's it going?
5. A request for repetition or explanation; an expression of confusion. (informal) · Hey? How's that?
6. Used as a tag question, to emphasise what goes before or to request that the listener express an opinion about what has been said. (informal)
7. A meaningless beat marker or extra, filler syllable in song lyrics. (informal) · The chorus is "nana na na, nana na na hey hey hey, goodbye".