பொருள் : A flag that serves as a warning signal.
எடுத்துக்காட்டு :
We didn't swim at the beach because the red flag was up.
பொருள் : The emblem of socialist revolution.
பொருள் : Something that irritates or demands immediate action.
எடுத்துக்காட்டு :
Doing that is like waving a red flag in front of a bull.