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
语法信息
形态构成
简单词
动作动词
规则
现在时
alert
第三人称单数
alerts
现在分词
alerting
一般过去时
alerted
过去分词
alerted
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。
alert
语法信息
形态构成
简单词
性质形容词
最高级
most alert
比较级
more alert
可分级
例子
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
警惕的, 警觉的
actively observing or watchful, often for danger or specific events
例子
The scouts remained alert while navigating the forest.
侦察员在穿越森林时保持警惕。
03
敏捷的, 机警的
quick, energetic, or lively in action or movement
例子
The athlete moved with alert agility across the court.
运动员以警觉的敏捷性在球场上移动。
Alert
01
警报, 警告
a warning intended to make someone more aware of potential danger
语法信息
有生性状态
抽象
形态构成
复合词
可数
复数形式
alerts
例子
She received an alert about the road closure.
她收到了关于道路封闭的警报。
02
警报, 危险信号
an automatic signal, often a sound, indicating danger
例子
A loud alert warned the workers of the chemical leak.
一声响亮的警报警告工人们发生了化学品泄漏。
03
警报, 警戒状态
a situation where people are ready to confront a threat
例子
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。



























