alert
🇺🇸
/əˈlɜːrt/
🇬🇧
/əˈlɜːt/
verb
C1
to warn someone about danger or something that needs quick action
The system will alert you if there is a fire in the building.
如果大楼发生火灾，系统会警告您。
C1
to make someone notice or aware of something
The app will alert users to new messages.
该应用程序会让用户注意到新消息。
noun
C1
a state of watching carefully for danger and being ready to act
The weather alert warned people to stay indoors during the storm.
天气警报提醒人们在暴风雨期间待在室内。
C1
a warning about danger or a problem
The emergency alert told everyone to evacuate the area.
紧急警报告诉所有人撤离该区域。
R
a signal from a device to inform or remind you of something
My phone gives an alert when I receive an email.
我收到电子邮件时，手机会发出提醒信号。
adjective
C1
quick to notice things and think clearly
Drivers need to be alert to avoid accidents on the road.
驾驶员需要保持警觉以避免道路事故。
C1
aware of something, especially possible danger
Be alert for any signs of trouble in the neighborhood.
对社区中任何麻烦的迹象保持警惕。
translation
警告, 使注意
警戒状态, 警报, 提醒信号
机敏的, 警觉的
词形变化
3rd Present
alerts
Past
alerted
Perfect
alerted
Progressive
alerting
Plural
alerts