nín hǎo
Hello (polite)
拜拜
Bye
bow
bài
bow
bài
拜拜 is a direct transliteration of the English 'bye-bye'. It is a fixed expression with no internal grammar.
再见
zàijiàn
Goodbye — More formal farewell.
走了
zǒule
I'm off — More casual, often said when leaving.
今天很开心,拜拜!
jīntiān hěn kāixīn, bàibài!
I had a great time today, bye!
再见,下次见!
zàijiàn, xià cì jiàn!
Goodbye, see you next time!
Appropriate
Avoid when
You can say 拜拜 (bàibài), which is a direct loanword from English and used in casual contexts.
It is pronounced 'bàibài' with two falling tones, similar to the English 'bye-bye' but with a Chinese accent.
Use 拜拜 in informal settings with friends or peers. 再见 is more formal and suitable for polite or business contexts.
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