alertness

Microsleeps become extremely dangerous when they occur in situations which demand constant alertness, such as driving a motor vehicle or working with heavy machinery of them, instead believing themselves to have been awake the whole time, or to have temporarily lost focus.

在驾车或重型机械作业等需要高度警醒的工作中出现微睡眠状况是极度危险的。经历过微睡眠状况的人通常都对此毫不察觉，他们以为自己一直处于清醒状态，或者认为自己只是偶尔走神了。

The tricky part would be maintaining this alertness and sensitivity without crossing the line into over-reactiveness.

妙招在于维护犬只的高警觉性与敏感性,而又不越过“过度反应”的界线.

Produces changes in brain activity associated with decreased alertness;

影响中枢活动，警觉能力下降；

Individual deviation in expected behavior causes arousal or alertness in others.

偏离预期的行为会激怒他人或使他人警觉.

The presence of non-task-oriented ideas is a sign of broad interest, concern, and alertness on the part of the employees.

一些非有关部门工作的建议的产生，标志了在部分职工中的广泛兴趣、机智和关心企业的精神素质。

Raj: Your ego, identified with and as body, equates alertness with physical movement, physical accomplishing.

瑞吉: 你的小我与身体认同, 总爱把机灵与身体的运作 、 具体的成就划上等号.

I know him well in that mood of alertness and suspicion.

我对他这种警觉和猜疑的情绪是很熟悉的。