[Idiom] CROSS THE LINE. - Recognizing Boundaries: English Idioms for Everyday Use

Behave inappropriately.

To "cross the line" means to behave inappropriately or offensively, breaking social rules or moral boundaries. Picture someone stepping over a physical line drawn on the ground—this idiom is about overstepping acceptable limits in conduct or speech.

Example Sentences

1. You've crossed the line.

   You have gone beyond acceptable behavior.

2. Yelling at your colleague really crossed the line.

   Yelling at your colleague was inappropriate.

3. Understand the rules and don't cross the line by making inappropriate comments at work.

   Understand boundaries and avoid making inappropriate remarks.