As a Noun:
1. Something which is said, written or signed to tell people of a possible danger, problem, or other unpleasant thing that might happen. English = warning, caution.
2. Stern or angry words or signs communicated to someone, particularly a child, because they have done something wrong or ignored an earlier warning. English = scolding.
3. A warning or rebuke about someone's behaviour. Formal English = admonition.
4. An official notification or complaint that someone should not have done something. English = reprimand.
As a Verb or Adjective:
1. To advise or tell someone, especially a child, not to do something in order to avoid possible danger or punishment. English = warn, caution.
2. To speak to someone angrily, especially a child, because they have done something wrong or ignored an earlier warning. English = scold.
3. To speak to someone sternly or seriously because they have done something wrong or ignored an earlier warning. Formal English = admonish.
4. To officially speak to someone because they have done something wrong or ignored an earlier warning. English = reprimand.
Interactive:
1. Used alone to indicate to someone that what they are doing is not acceptable and that they deserve a warning from you. English = 'I'm warning you!', 'That'll do!', and so on.
2. Often used jokingly in response to being teased or made fun of. English = 'Now, that's enough!', 'Watch it!', 'Don't go too far!', 'You're going too far!', 'Enough is enough!', and so on.
3. Used alone in a friendly way in response to someone saying something which is in complete agreement with what you have already said, when they seem not to realise this. English = "I told you so!", "Didn't I tell you?!" and so on.