General Crazy:
* 癲 (din1): This is the most common word for "crazy" and can be used in most situations. It literally means "epileptic" but is often used to describe someone who is mentally unstable or behaving in an erratic way.
* 發癲 (faat3 din1): This is a more colloquial and direct way of saying "crazy" and literally means "to go crazy". It's often used to describe someone who is acting irrationally or out of control.
* 黐線 (chi1 sin3): This is another colloquial term for "crazy" and literally means "stuck on the line". It's often used to describe someone who is obsessed with something or is behaving in a very strange way.
Other Meanings:
* 傻 (sa2): This means "stupid" or "foolish" and can sometimes be used to describe someone who is crazy. However, it's not as strong a word as "癲" and may be considered rude depending on the context.
* 唔正常 (m4 zing1 coeng4): This means "not normal" and can be used to describe someone who is mentally unstable or behaving in an unusual way.
The best way to choose the right word is to consider the specific situation and the person you are talking to.
Here are some examples:
* 佢真係癲㗎！ (Kui1 zan1 zai6 din1 ga3!) - He's really crazy!
* 你發癲呀？ (Nei5 faat3 din1 aa3?) - Are you crazy?
* 呢個男人真係黐線！ (Ne1 go3 naam4 jan4 zan1 zai6 chi1 sin3!) - This man is really crazy!
Remember that Cantonese is a tonal language, so the pronunciation of each word is very important. It's always best to practice with a native speaker to ensure that you are pronouncing the words correctly.