Cách sử dụng
The expression "cross a/the line" means to do something that is considered inappropriate or unacceptable. This phrase can be used in various situations. For example, if someone insults you or says something rude, they have crossed a line. Similarly, if someone breaks a rule or law, they have crossed a line. The word "line" here refers to a boundary or limit that should not be trespassed. It is important to remember that what constitutes crossing a line can vary depending on the situation and culture.