English phrase from drama scenes
What Does "that's a line" Mean?
Learn what "that's a line" means, when people say it, and how to use it naturally in English.
Intermediate
Neutral
Firm
Warn
And that's a line you should never cross, Oswald.
It means the speaker is warning someone not to overstep a serious boundary.
From Cleopatra, Episode 30
When do people say this?
Scene Context
The speaker warns that a certain limit must never be crossed.
Usage Scenario
Use this in a strong warning during conflict. It sounds serious and can be threatening depending on tone.
Better ways to say it
1
That's a line you should never cross.
2
Don't cross that line.
3
Never cross this line.
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