The incorrect form is "broaden your horizons" as there can only be one horizon.
Edit from another user: There may only be one horizon, but that's hardly relevant in a metaphor. The common usage is "horizons," which is also what all the online references I checked say.
Go out and explore new areas. Broaden your horizons. Expand your repertoire.
It is correct
It is correct to say them both, but it matters on what you want to say.
no it is not correct to say enjoy your vacations
correct !
Go out and explore new areas. Broaden your horizons. Expand your repertoire.
horizon
Léaslínte
you could say the horizon is a rizen' (as in the horizon is becoming higher)
Horizont
its ορίζοντας (horizontas)
say what i have no i dea
We say that it sets.
horizonte vasto/enorme
Possibly you might say good morning.
Good Night
risen or set