alert

🇬🇧 UK/ә'lә:t/🇺🇸 US
TOEFLGREB2

Definitions

v.

To warn someone of a danger or situation requiring attention

警告,提醒

n.

A warning signal or state of readiness for danger

警报;戒备状态

adj.

Watchful and ready to respond to danger or change; mentally quick

警觉的,机敏的

🧩 Root Breakdown

Loanword
alertother
=alert

Common Collocations

  • 1.stay alert保持警觉
  • 2.alert system警报系统
  • 3.alert status警报状态

Example Sentences

  • 1.

    Security staff remained alert throughout the night to prevent theft.

  • 2.

    The security guard was alert to any suspicious activity.

  • 3.

    An alert about severe weather was broadcast to all residents.

  • 4.

    A weather alert warned of incoming storms.

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