alarm

• 突然的恐惧或焦虑感；也指发出响亮声音以警告危险或唤醒人起床的装置。

A noun referring to a sudden feeling of fear or anxiety, or a device that makes a loud noise to warn of danger or to wake someone.

1. Warning deviceA1formal

   A device that makes a loud noise to warn people of danger or to wake them.

   警报器

   • The fire alarm went off suddenly.
   • I set my alarm clock for 6 AM.
   • The car alarm scared the neighbors.

   同义词alertbellbuzzerhornklaxonsignalsirenwarning device

2. A2formal

   A sudden feeling of fear or anxiety about possible danger.

   惊恐

   • She felt alarm when she heard the news.
   • There is growing alarm about climate change.
   • His face showed alarm at the unexpected sound.

   同义词anxietyapprehensionconsternationdismaydreadfearfrightpanictrepidationunease

   反义词calmcomposureequanimity

3. Warning signalB1formal

   A signal or message that warns of danger or problems.

   警报

   • The alarm was raised about the approaching storm.
   • Security alarms are triggered by unauthorized entry.
   • The government issued an alarm about the virus outbreak.

   同义词alertdistress signalsignalsirenwarning

• 动词，指使人感到害怕、担忧或不安；也可指使某人警觉起来。

A verb used to indicate the act of causing someone to feel fear, anxiety, or distress.

1. Cause fear or worryB1formal

   To make someone feel frightened or worried about something dangerous or unpleasant.

   使惊恐或担忧

   • The news alarmed the entire community.
   • His sudden illness alarmed his family.
   • The strange noise alarmed the neighbors.

   同义词distressfrightenpanicperturbscarestartleunsettleworry

   反义词calmcomfortreassuresoothe

2. Fill with apprehensionB2formal

   To cause someone to feel anxious or uneasy about potential danger.

   使惊慌

   • The doctor's warning alarmed her about her health.
   • Rising crime rates alarmed the residents.
   • The report alarmed investors about the economy.

   同义词dauntdisquietdistressfrightenpanicperturbscarestartleunnerveupset

   反义词calmcomfortencouragereassuresoothe