1. When the airlines decided to enforce these rules without giving anyone a heads-up, it created a lot of problems for travellers. 航空公司在决定执行这些规定时没有事先通知任何人，这给旅客带来了很多麻烦。
2. Would it be cool to email a heads-up to everyone in my address book? 将消息用电子邮件告诉地址簿里的每一个人，这是多么的酷啊！
3. It's beyond the laws of physics, plus a little heads-up for the ladies. 超出了物理学定律另外也是对女性朋友的小提醒。
4. If we have to put our contingency plan into effect, we may want to give her a heads-up. 如果我们不得不施行应急计划，我们可能要给她个提前说明。
5. It also lets you set up an alert system, so if H1N1 arrives in your area, you'll get a heads-up. 这种应用程序还可以设置报警系统，因此，如果H1N1出现在用户附近区域，用户能立即获得警报。
