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!"
Hāi, chē yòu wǎndiǎn le.
嗨,车又晚点了。
Alas, the train is late again.
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.
Hāi, hǎo jiǔ bú jiàn.
嗨,好久不见。
Hi, long time no see.
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 yī jìn mén jiù shuō hāi.
他一进门就说嗨。
He said hi as soon as he came in.
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.
Tā zuówǎn hē duō le, zhěng ge rén hái zài hāi.
他昨晚喝多了,整个人还在嗨。
He drank too much last night and is still feeling high.

