heads-up

US /ˈhedz ʌp/
UK /ˈhedz ʌp/
"heads-up" picture
1.

預先通知, 提醒

a warning or piece of information given in advance

:
Just wanted to give you a heads-up that the meeting time has changed.
只是想提前通知你會議時間改了。
Thanks for the heads-up about the road closure.
謝謝你提前告知道路封閉。
1.

警惕的, 專注的

alert and attentive

:
Stay heads-up for any changes in the weather.
對天氣變化保持警惕
The coach told the players to keep their heads-up during the game.
教練告訴球員在比賽中要保持警覺