Meaning of hāi:
嗨
oh alas; hey!; hi! (loanword); a high (natural or drug-induced) (loanword)
Hāi, wǒ jìngrán wàngjìle jīntiān shì tā de shēngrì.
嗨,我竟然忘记了今天是她的生日。
Oh alas, I actually forgot today is her birthday.
Tā duì wǒ shuō le yī shēng: “hāi!”
她对我说了一声:“嗨!”
She said to me: "Hey!"
Tā duì wǒ shuō le yī shēng: “hāi!”
她对我说了一声:“嗨!”
She said to me: "Hey!"
Hāi, wǒ jìngrán wàngjìle jīntiān shì tā de shēngrì.
嗨,我竟然忘记了今天是她的生日。
Oh alas, I actually forgot today is her birthday.
Měi cì jiàn dào tā, tā zǒng shì kāi xīn de shuō: "Hāi!"
每次见到他, 她总是开心地说:"嗨!"
Every time she sees him, she always happily says: "Hi!"
Hāi, wǒ jìngrán wàngjìle jīntiān shì tā de shēngrì.
嗨,我竟然忘记了今天是她的生日。
Oh alas, I actually forgot today is her birthday.
Tā jīntiān tèbié hāi, yīzhí zài chànggē hé tiàowǔ.
他今天特别嗨,一直在唱歌和跳舞。
He was especially high today, singing and dancing all the time.
Hāi, wǒ jìngrán wàngjìle jīntiān shì tā de shēngrì.
嗨,我竟然忘记了今天是她的生日。
Oh alas, I actually forgot today is her birthday.

