adj.足智多谋的;
n.警告信息;
英文例句/中文翻译:
I told him to give me a heads-up.
我之前要他帮我看的。
Hey, I just wanted to give you guys a heads-up.
嘿,先通知你们一下。
I know, I know. sorry, I should have given you a heads-up.
不好意思。我是应该提前通知你的。