Police are warning the public to be on the alert for suspicious packages.
警方警告公眾要警惕可疑包裹。
牛津詞典
More than 5 000 troops have been placed on (full) alert .
5 000多名士兵已處于（全面）戒備狀態(tài)。
牛津詞典
a bomb/fire alert
炸彈 / 火警警報
牛津詞典
They had been alerted to the possibility of further price rises.
他們已意識到價格可能繼續(xù)上漲。
牛津詞典
Neighbours quickly alerted the emergency services.
鄰居很快向緊急情況服務部門報了警。
牛津詞典
Alerted by a noise downstairs, he sat up and turned on the light.
樓下的響聲使他警覺，他坐起來打開燈。
牛津詞典
We must be alert to the possibility of danger.
我們必須認識到危險的可能性。
牛津詞典
Suddenly he found himself awake and fully alert.
突然他發(fā)覺自己醒了過來，而且高度警覺。
牛津詞典
Two alert scientists spotted the mistake.
兩個警覺的科學家發(fā)現(xiàn)了這個錯誤。
牛津詞典
I was hoping he'd alert the police.
我當時希望他會報警。
Soldiers and police have been put on alert.
士兵和警方都已進入警戒狀態(tài)。
They want to be on the alert for similar buying opportunities.
他們希望隨時掌握有關類似購買機會的信息。
He wanted to alert people to the activities of the group...
他想提醒人們小心該團體的活動。
Due to a security alert, this train will not be stopping at Oxford Circus.
由于安全戒備的原因，該次列車在“牛津街口廣場”站將不停留。
The bank is alert to the danger.
銀行充分意識到了危險。
We all have to stay alert...
我們大家都必須保持警惕。
He had been spotted by an alert neighbour.
一個警覺的鄰居發(fā)現(xiàn)了他。
What ever you choose to bring on your travels is of course an individual matter.
選擇在旅途中帶上什么東西,當然是您的個人問題.
期刊摘選
He is a man alert in problem.
他是個留意問題的人.
《簡明英漢詞典》
Alert readers may have noticed the misprint in last week's column.
細心的讀者可能已經(jīng)注意到上周專欄中的印刷錯誤了.
《簡明英漢詞典》
One should not run about aimlessly during an alert.
空襲警報期間不可到處亂跑.
《現(xiàn)代英漢綜合大詞典》
A monkey is very alert in its movements.
猴子的動作很敏捷.
《簡明英漢詞典》
A sparrow is very alert in its movements.
麻雀行動非常機靈.
《簡明英漢詞典》
They were constantly on the alert not to be taken by surprise.
他們一直處于常備不懈狀態(tài)以防突然襲擊.
《現(xiàn)代漢英綜合大詞典》
The district was put on red alert during a terrorist's bomb scare.
這個地區(qū)在得到恐怖分子炸彈恐嚇后作了應急準備.
《簡明英漢詞典》
The Armies were constantly on the alert not to be taken by surprise.
部隊一直處于警戒狀態(tài)以防突然襲擊.
《現(xiàn)代漢英綜合大詞典》
In our reading we should always be alert for idiomatic expressions.
我們在閱讀過程中應經(jīng)常注意慣用法.
《簡明英漢詞典》
Hearing this, I was instantly on the alert.
我一聽這話, 當下就警惕起來.
《現(xiàn)代漢英綜合大詞典》
When the system thinks it's being jammed, it'll notify you via -94- push alert .
出自-2016年12月閱讀原文That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.
出自-2016年12月閱讀原文It caught us in the act, sent an alert to my smartphone, and also listed our RF interference on the system's event log.
出自-2016年12月閱讀原文If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.
出自-2016年12月閱讀原文More sleep in old age, however, is associated with better health, and most older people would feel better and more alert if they slept for longer periods, he said.
出自-2011年6月閱讀原文She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.
2017年12月四級真題（第一套）閱讀 Section CShe worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.
2017年12月四級真題（第一套）閱讀 Section CWhen the system thinks it's being jammed, it'll notify you via push alert.
2016年12月四級真題（第一套）閱讀 Section Bwith the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?
2016年12月四級真題（第一套）閱讀 Section BTo alert American workers to the urgency for adaptation.
出自-2016年6月閱讀原文Their risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.
出自-2016年12月閱讀原文To be alert to fluctuations in foreign markets.
出自-2011年12月閱讀原文And when that is failed, they stop the hunters, banging on pots and pans to alert the deer.
出自-2013年12月聽力原文Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.
2017年6月六級真題（第三套）閱讀 Section AThe researchers explained that the study demonstrated when we are in a novel environment the brain partly remains alert so that humans can defend themselves against any potential danger.
2017年6月六級真題（第三套）閱讀 Section AConsumers passionate about a product may create “owned” media by sending e-mail alerts about products and sales to customers registered with its Web site.
出自-2011年考研閱讀原文Jealousy and anger, for example, may have evolved to alert us to important inequalities.
2019年考研真題（英語二）閱讀理解 Section ⅡThe heightened alert followed an emergency meeting with flu experts in Geneva that assembled after a sharp rise in cases in Australia, and rising numbers in Britain, Japan, Chile and elsewhere.
2010年考研真題（英語二）完形填空 Section Ⅰ"bombers were put on alert during the crisis"
"The empty house alarmed him"
"We alerted the new neighbors to the high rate of burglaries"
"an alert and responsive baby is a joy"
"caught by a couple of alert cops"
"alert enough to spot the opportunity when it came"
"constantly alert and vigilant, like a sentinel on duty"
"an alert mind"
"the patient is now awake and alert"
"alert to the problems"
"alive to what is going on"
"awake to the dangers of her situation"
"was now awake to the reality of his predicament"
