Learn what "you've crossed a line" means, when people say it, and how to use it naturally in English.

It means you have done something unacceptable.
From A Love Once Betrayed, Episode 25
The speaker tells someone they have gone too far and violated an acceptable limit.
Use this in arguments when you want to say someone has gone too far. It can sound harsh, but it is common and reusable.
Scenes unlock real expressions as you watch
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