alert

US /əˈlɝːt/
UK /əˈlɝːt/
"alert" picture
1.

警報, 提醒

a warning of danger or a problem

:
The weather service issued a tornado alert.
氣象局發布了龍捲風警報
We received an alert about a possible security breach.
我們收到了關於可能發生安全漏洞的警報
1.

提醒, 警告

to warn someone of a danger, threat, or problem

:
The system will alert you if there's any unusual activity.
如果出現任何異常活動,系統將提醒您。
The sudden noise alerted the guard.
突然的噪音驚動了警衛。
1.

警惕的, 機敏的

quick to notice any unusual and potentially dangerous or difficult circumstances; vigilant

:
The guard remained alert throughout his shift.
警衛在整個輪班期間都保持警惕
It's important to stay alert when driving long distances.
長途駕駛時保持警惕很重要。