嗨！你该作出决定了！

Come on—it's make your mind up time !

《牛津词典》

嗨，你！你以为你在干什么？

Oi, you! What do you think you're doing?

《牛津词典》

嗨，你有空吗？

Hi, do you have a minute?

youdao

Man, them white folks oughta catch you and send you to a zoo and keep you for the next war!"

“嗨，白人会把你像动物一样抓走,以备下一次作战之用，！“

耶鲁公开课 - 1945年后的美国小说课程节选

Hi, could you give us some tips on how to write better?

嗨，你能教我们一些写作技巧吗？

英语写作：技巧 - SpeakingMax英语口语达人