it's sometimes awkward when asked this question because Cantonese-speakers usually say 'bye' just as people who speak English do--by saying 'bye' or 'byebye.' But since you're probably asking for some phrase in Chinese/Cantonese, there's one pronounced "zoy geen"--literally meaning 'see you again'
In Cantonese, you can say "再見" (joi gin) to mean bye bye.
You can say "再見" (joi gin) to say bye in Cantonese.
There are many useful phrases in Cantonese. Transliterated to English the most common is hello: "wei." Thank you is "m goi." Bye bye is similar using "bai bai."
Most people in Hong Kong merely say "bye-bye", although in proper Cantonese it should be "再見" (pronounced joi-gin).
In written form it would be 再見 (joi gin) But people usually say 拜拜 (bye bye)<--yes its just the same as English.
'Cat' in Cantonese is 'Maau.'
In Cantonese, "king" is pronounced as "王" (wong4).
'Flower' in Cantonese is 'Faa.'
Here are some examples of Cantonese.
Cantonese is a dialect of Chinese, but Chinese can refer to the broader language family which includes various dialects such as Mandarin, Cantonese, and others. So while Cantonese is a form of Chinese, not all Chinese languages are Cantonese.
it's pronounced "guong dong wah" (廣東話)-->Cantonese or "zhong mun" (中文)-->Chinese
Cantonese people mainly speak Cantonese, a Chinese dialect. Additionally, many Cantonese people may also speak Mandarin, which is the official language of China, as well as English, due to Hong Kong's history as a British colony.