"Sharp" meant genuinely discerning, alert, acute rather than quick-witted or clever.
“Sharp”的意思是真正具有辨识力、警觉、敏锐，而不是机敏或聪明。
Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.
一项研究表明，当你在一个陌生的地方睡觉时，你的半边大脑会保持警觉并做好准备防范危险。
At the same time, workers were required to discard old habits, for industrialism demanded a worker who was alert, dependable, and self-disciplined.
与此同时，工厂还要求工人们摒弃原来的习惯，因为工业制度需要机敏、可靠和自律的工人。
Stay alert to serious symptoms, such as chest pain or pressure, severe shortness of breath or dizziness, or faintness, and seek medical attention immediately.
要对胸痛、胸闷、严重呼吸急促、头晕、晕厥等严重的症状保持警惕，并立即就医。
Birds that are literally half asleep—with one brain hemisphere alert and the other sleeping—control which side of the brain remains awake, according to a new study of sleeping ducks.
根据一项关于睡觉的鸭子的新研究来看，半睡半醒的鸟儿——大脑的一个半球处于警觉状态，另一个半球处于睡眠状态——控制着大脑的哪一边保持清醒。
These approving contemporary critics were particularly alert to each writer's contribution to the depiction of American social life, especially to regional differences in manners and character types.
这些持肯定态度的当代批评家尤其注意到每个作家对美国社会生活描写的贡献，特别是风俗习惯和性格类型的地域差异。
With the right amount of sleep you should wake up fresh and alert five minutes before the alarm rings.
有了适量的睡眠，你就应该在闹钟响前的五分钟精神抖擞地醒来。
As a new YouGov poll shows, Britons are surprisingly alert to class—both their own and that of others.
舆观调查网（YouGov）的一项最新民意调查显示，英国人对阶级的敏感程度令人惊讶——无论是对自己的还是别人的。
The gentle, brainy fellow, at 78, remains alert and industrious.
已经78岁了，这位文雅而有头脑的人仍然保持着机警和勤勉。
Pilots on long-haul flights often take turns at the controls to remain alert.
飞行员往往在长途飞行中轮班以保持清醒。
The first person to spot his or her picture and alert the airline wins a prize.
第一个找出本人照片并通知航空公司的人将赢得奖品。
In the last few years, we have had teams on site less than 24 hours after an alert.
在过去数年中，我们的工作队在出现警报之后不足24小时就赶到现场。
Your goal should be to alert users to the change without disrupting their workflow.
您的目标应该是把更改提示给用户，而不打断他们的工作流。
You should see an alert that tells you the URL you asked for doesn't exist -- perfect!
应该会看到警告信息说明要求的URL不存在 ——好极了！
Doodling may look messy, but it could in fact be a sign of an alert mind, a study suggests.
涂鸦虽然看上去乱七八糟，但是研究发现，涂鸦其实是大脑活跃的表现。
We are - and we must remain - alert to every hint that the virus may be changing its behaviour.
我们时刻、而且必须对该病毒可能改变其行为的任何线索保持警惕。
I used to shower in the evenings, but I found that morning showers helped me to be more alert.
我原来都是在晚上沐浴，但是我发现早上沐浴可以让我更清醒。
So then, let us not be like others, who are asleep, but let us be alert and self-controlled.
所以我们不要睡觉，像别人一样，总要儆醒谨守。
You have to be intellectually engaged when you read, and this can keep your mind sharp and alert.
当你在看书的时候，你要全神贯注，那样才能使你思维清晰敏锐。
The light signals sent to your body's master clock tell you when to be sleepy and when to be alert.
传送到我们身体的主时钟的信号告诉我们什么时候该睡觉，什么时候又该打起精神。
WebSphere Business Monitor provides enriched dashboard capabilities and advanced alert functionality.
WebSphereBusinessMonitor提供丰富的仪表板功能和高级警报功能。
When dolphins sleep, they sleep in a semi-alert state by resting one side of their brain at a time.
当海豚睡觉时，它们处于半惊醒状态，每次只休息大脑的一半。
As a referee, you must also be confident and alert enough to overrule your assistant when necessary.
作为一名主裁，你必须自信，并且在必要时否决助理裁判的判罚。
But believe me, it will taste so much better than fast food, and healthy eating will make you more alert.
但是，相信我，品尝起来绝对会比快餐味道好，健康饮食会使你变得更加机敏。
Tears of joy and happiness came to my eyes as our healthy, alert, wonderful daughter entered this world.
当我看到美丽的女儿健康地来到这个世上，喜悦和幸福化作泪水夺眶而出。
Football is a very exciting game because it keeps you alert and I also enjoy the team spirit of football.
足球是一项极刺激的运动，它会使你保持灵敏，我也喜欢足球活动中的团队精神。
To find out how viruses from animals might become even more deadly in people, researchers are on the alert.
为了找出动物传播的病毒如何变得对人类更有致命性，研究者枕戈待旦。
To find out how viruses from animals might become even more deadly in people, researchers are on the alert.
为了找出动物传播的病毒如何变得对人类更有致命性，研究者枕戈待旦。
应用推荐