to alert
01
警告, 提醒
to warn someone of a possible danger, problem, or situation that requires their attention
Transitive: to alert sb of a danger or problem | to alert sb to a danger or problem
例子
The security system alerted the homeowners to a possible break-in with a loud alarm.
安全系统用响亮的警报警告房主可能有闯入。
The weather service will alert residents of the approaching storm tomorrow.
气象服务将警告居民明天即将到来的风暴。
alert
例子
The alert security guard spotted the intruder before they could enter the building.
警觉的保安在入侵者进入大楼之前就发现了他。
She remained alert during the meeting, ready to contribute valuable insights at any moment.
她在会议期间保持警觉，随时准备贡献宝贵的见解。
02
actively observing or watchful, often for danger or specific events
例子
Security guards were alert during the public event.
The scouts remained alert while navigating the forest.
03
quick, energetic, or lively in action or movement
例子
She gave an alert response to the unexpected question.
The athlete moved with alert agility across the court.
Alert
01
a warning intended to make someone more aware of potential danger
例子
The storm alert advised residents to stay indoors.
She received an alert about the road closure.
02
an automatic signal, often a sound, indicating danger
例子
The fire alarm is an alert for immediate evacuation.
A loud alert warned the workers of the chemical leak.
03
警报, 警戒状态
a situation where people are ready to confront a threat
例子
The soldiers were placed on high alert as intelligence suggested an imminent attack from enemy forces.
由于情报显示敌军即将发动攻击，士兵们被置于高度警戒状态。
The city declared a state of emergency and put all emergency response teams on alert following the earthquake.
地震后，该市宣布进入紧急状态，并将所有应急响应小组置于警戒状态。
