I was instantly more alert. He called?

我立刻警觉起来。“他打过电话来？”

The following weeks we were more alert.

接下来的几周我们更震惊了。

He decided he would stay more alert from now on.

他决定从现在起要更提高警惕了。

They're more alert. They're more visual. They're being more aggressive.

它们会更警觉。眼神会更好，也更具侵略性。

The senses both of hearing and smelling are more alert.

听觉和嗅觉都更加灵敏起来。

Were more alert, enthusiastic and could handle stress more effectively

更警觉，更热情并且能更有效的处理压力

When we are driving, and we see red signal, we often are more alert.

当我们开车，看到红色的信号时，总会提高警觉。

A request may then be received to manage one or more alert subscriptions.

接收一个请求以管理一个或多个报警预订。

Not only will you seem taller, but you'll also appear more alert and engaged.

因为那样不仅会使你显得更高，而且也显得更加精神和投入。

It could make you more alert and help you avoid an afternoon energy slump(1).

它能让你更加清醒，还能帮你避免下午犯困。