heads-up
柯林斯词典
1. N-SING If you give someone a heads-up about something that is going to happen, you tell them about it before it happens. 警告; 事先通知[美國英語]
When the airlines decided to enforce these rules without giving anyone a heads-up, it created a lot of problems for travellers. 航空公司在決定執行這些槼定時沒有事先通知任何人，這給旅客帶來了很多麻煩。
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heads-up
剑桥词典
- a warning that something is going to happen , usually so that you can prepare for it
小心，注意（用於提醒某事要發生）
This note is just to give you a heads-up that Vicky will be arriving next week . 這張便條衹是提醒一下你維基下星期要來。
a short talk or statement about how a situation or plan is developing
有關形勢（或計劃）發展狀況的講話（或聲明）
The boss called a meeting to give us a heads-up on the way the project was going. 老板召集會議通報計劃進行的情況。 返回 heads-up