heads-up
US /ˈhedz ʌp/
UK /ˈhedz ʌp/

1.
aviso, advertencia
a warning or piece of information given in advance
:
•
Just wanted to give you a heads-up that the meeting time has changed.
Solo quería darte un aviso de que la hora de la reunión ha cambiado.
•
Thanks for the heads-up about the road closure.
Gracias por el aviso sobre el cierre de la carretera.
1.
alerta, atento
alert and attentive
:
•
Stay heads-up for any changes in the weather.
Mantente alerta ante cualquier cambio en el clima.
•
The coach told the players to keep their heads-up during the game.
El entrenador les dijo a los jugadores que mantuvieran la cabeza alta durante el partido.