Red flag (idiom)

Not to be confused with Red flag (politics).
For other uses, see Red flag.

A red flag being shown to competitors during the 2007 Canadian Grand Prix

A red flag is a metaphor of a sign of some particular problem requiring attention.[1]

See also

References

  1. ^ "Red Flag". Merriam-Webster. Retrieved October 29, 2016.
allikas: https://en.wikipedia.org/wiki/Red_flag_(signal)