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to alert
01
警告する, 知らせる
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
Alert
01
警告, アラート
a warning about a danger, problem, or threat
02
アラート, 警告音
an automatic signal (usually a sound) warning of danger
03
警戒, アラート
a situation where people are ready to confront a threat
alert
v
alerting
n
alerting
n
例
The hiker alerted fellow trekkers to an approaching thunderstorm
The emergency broadcast system is currently alerting citizens of the evacuation procedures.
The security system alerted the homeowners to a possible break-in with a loud alarm.
The weather service will alert residents of the approaching storm tomorrow.
Sudden changes in the mercury barometer alerted sailors to unstable weather conditions at sea.
