Formal:
* 週末愉快 (jeung mat yut hoi): This literally translates to "weekend happy" and is a polite and general way to wish someone a good weekend.
Informal:
* 祝你週末愉快 (juk nei jeung mat yut hoi): This is a slightly more personal way to say it, literally translating to "wish you weekend happy".
* 週末玩得開心啲 (jeung mat wan dak hoi sam di): This translates to "have a fun weekend" and is more casual.
You can also add a personal touch by mentioning specific activities you hope they enjoy, for example:
* 週末去邊玩? (jeung mat heui bin wan?): "Where are you going to play this weekend?"
Remember that Cantonese is a tonal language, so the pronunciation is very important. If you are unsure of the pronunciation, you can use a Cantonese dictionary or online translator to help you.