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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
Example
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的入侵。
The weather service will alert residents of the approaching storm tomorrow.
气象局明天会警告居民即将来临的风暴。
alert
Example
The alert security guard spotted the intruder before they could enter the building.
She remained alert during the meeting, ready to contribute valuable insights at any moment.
02
警觉的, 机敏的
engaged in or accustomed to close observation
03
警觉的, 敏捷的
quick and energetic
Alert
01
警报, 警告
a warning about a danger, problem, or threat
02
警报, 报警
an automatic signal (usually a sound) warning of danger
03
警报, 戒备状态
a situation where people are ready to confront a threat
Example
The soldiers were placed on high alert as intelligence suggested an imminent attack from enemy forces.
士兵们被置于高度戒备状态，因为情报显示敌方部队即将发起攻击。
The city declared a state of emergency and put all emergency response teams on alert following the earthquake.
该市在地震发生后宣布进入紧急状态，并将所有应急响应团队置于警报,戒备状态。
