Cách sử dụng
Forewarn means to give someone advance notice or warning about something that may happen in the future. For example, if you know that your friend is planning to cheat on their exam, you could forewarn them that it's not a good idea because they could get in trouble. Or, if a storm is approaching, someone might forewarn you to bring an umbrella or stay indoors. It's important to forewarn people about potential dangers or risks so that they can be prepared and prevent any harm or negative consequences.