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Trigger off Meaning in English

expression

释义

To cause something (especially a process, event, or reaction) to start suddenly or unexpectedly.

用法与细微差别

Slightly formal, often used in technical, scientific, or news contexts. Can be replaced by simply 'trigger' in most modern usage ('off' is optional and a bit old-fashioned). Common with 'event', 'reaction', or 'process'. Not usually used with positive outcomes.

例句

Loud noises can trigger off panic attacks in some people.

basic

The leak in the lab triggered off a fire alarm.

basic

This news could trigger off protests in the city.

basic

His comment really triggered off a heated argument at the meeting.

natural

Sometimes old photos trigger off a lot of memories.

natural

Be careful what you say; it might trigger off another argument.

natural