Formal:
* 停 (ting) - This is the most common and versatile way to say "stop," meaning "halt" or "cease." It can be used for actions, movement, or even thoughts.
* 停止 (ting zhi) - This is a slightly more formal way to say "stop," meaning "to cease."
Informal:
* 唔好 (m hou) - This literally means "don't," and can be used to tell someone to stop doing something. For example, "唔好食" (m hou sik) means "Don't eat."
* 唔使 (m sai) - This means "no need" and can be used to tell someone to stop doing something that isn't necessary. For example, "唔使做" (m sai zou) means "You don't have to do that."
Other:
* 夠啦 (gau la) - This means "enough" and can be used to tell someone to stop doing something, especially if they are doing it too much.
* 停低 (ting di) - This means "stop there" and is more specific to telling someone to stop moving.
The best way to choose the right word depends on the situation and your level of formality.
Here are some examples:
* 停一停 (ting yat ting) - Stop for a moment.
* 唔好再講 (m hou joi gong) - Don't talk anymore.
* 唔使擔心 (m sai dan sim) - Don't worry.
* 夠啦，唔使再講 (gau la, m sai joi gong) - Enough, don't talk anymore.