alert

C1
/əˈlɜːt/ /əˈlɜːrt/

意味

adjective
警告する; 知らせる
able to think quickly; quick to notice things
Suddenly he found himself awake and fully alert.
noun
警告する; 知らせる
a situation in which people are watching for danger and ready to deal with it
on the alert (for something), Police are warning the public to be on the alert for suspicious packages.
verb
警告する; 知らせる
to warn somebody about a dangerous situation or one that requires immediate action
alert somebody, Neighbours quickly alerted the emergency services.

動画の実例

LingoTube レッスンの実際の字幕から

going to have to build it themselves I was eight years old and a thousand miles away when stonewall happened there were no news alerts no way for photos to go viral

📺 2019 Stanford Commencement address by Tim Cook動画でこの単語を学ぶ →

実際の動画で alert を覚える

TED / YouTube の精読レッスンを見て、単語をタップ、間隔反復で復習。

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alert の意味・発音・動画の実例 | LingoTube 辞書