English

Noun

horse of a different color

1. (idiomatic) An unrelated or only incidentally related matter with distinctly different significance.
   • 1908, Harold MacGrath, The Lure of the Mask, ch. 22:

     "Against physical danger I am willing to offer myself at any time to your Highness . . . . But to walk straight into jail, with my eyes open, that's a horse of a different color."

Translations

References

• horse of a different color at OneLook Dictionary Search