red alert

英 [ˌred əˈlɜːt]

美 [ˌred əˈlɜːrt]

n. 紧急戒备状态; 紧急警报

牛津词典

noun

紧急戒备状态；紧急警报
a situation in which you are prepared for sth dangerous to happen; a warning of this
1. Following the bomb blast, local hospitals have been put on red alert .
  炸弹爆炸之后，当地医院一直处于戒备状态。

柯林斯词典

N-VAR 红色警报;红色预警;紧急状态
If a hospital, a police force, or a military force ison red alert, they have been warned that there may be an emergency, so they can be ready to deal with it.
1. All the Plymouth hospitals are on red alert...
  普利茅斯所有的医院都处于紧急状态之中。
2. Sirens sounded an end to the red alert.
  警报声宣告了红色预警的结束。

英英释义

noun

the highest level of alert when an attack by the enemy seems imminent (or more generally a state of alert resulting from imminent danger)

双语例句

Issues a red alert if anything fails.
如果有任何失败，就给出一个红色警告。
Its capital, Hangzhou has issued the highest red alert.
浙江省首府杭州市发出最高红色高温警报。
Always on red alert with him.
和他一起时刻处于红色戒备状态。
On Tuesday, Hong Kong issued a red alert travel warning for South Korea, while the World Health Organization began work on a joint mission with South Korean doctors and officials to assess the outbreak in the country and review the government response.
周二，香港发布了针对韩国的红色外游警示，世界卫生组织（WorldHealthOrganization）则开始与韩国医疗人员和官员一起开展联合行动，以评估该国的疫情，并审核政府的应对举措。
Commissioned by Optimus Prime during the second year of the Earthen Conflict, the Overload weapons system was developed by a team of Autobot scientists led by Science Office Red Alert.
地球的冲突第二年，由科技长官红色警报领导的一支汽车人队伍受擎天柱委托，对超载的武器系统进行了升级。
If something goes wrong, the system tray icon will also turn red to alert you to check the Control Center.
如果出错，系统托盘图标也会转红，提醒您查看控制中心。
A red alert over the ozone A DISCUSSION ON THE LOWER LIMIT OF THE QUATERNARY
臭氧减少的警报第四系下限的探讨
The British prime minister and the US president had to be woken up, and NATO was put on red alert.
英国首相和美国总统都被属员叫醒了。北约实行紧急戒备。
The army was on red alert against the possibility of an attack.
为防可能被袭击，部队处于紧急状态。
Sirens sounded an end to the red alert.
警报声宣告了红色预警的结束。