hey

1. Hey lady you can't park there!
   嘿，小姐--那儿不能停车！
2. Hey, I'm out of water.
   喂，我没水了。
3. Hey, I almost forgot! John asked you to give him a ring.
   嗨，差点儿忘了！约翰请你给他打个电话。
4. Hey! For goodness sake.
   嗨！看在上帝份上。
5. Hey! You!
   嗨！你！

hey

interj.（感叹词）
Used to attract attention or to express surprise, appreciation, wonder, or pleasure.
嗨：用于引起注意或表示疑问、惊奇、赞许或喜悦