Meaning trap
go off
alarm rings or bomb explodes
To make a sudden loud noise, like when an alarm starts ringing or a bomb explodes.
Don't mix these meanings
Same phrase, different job.
To make a sudden loud noise, like when an alarm starts ringing or a bomb explodes.
Another meaning of 'go off' is 'food spoils'; compare the examples to keep the meanings separate.
Hear it in context
Notice where the phrase sounds natural.
- My alarm went off at 6 a.m., waking me up immediately.daily life
- During the exam, someone's phone alarm went off, and it distracted everyone in the room.IELTS speaking
Fix the pattern
Pattern: go off (no object)
WrongMy alarm rang off this morning.
RightMy alarm went off this morning.
It's 'go off' (not 'ring off'). 'Ring off' means hang up the phone (dated).
Patterngo off (no object)
Use it right
Choose the version that sounds natural in speech.
For an alarm sounding or a bomb exploding, natives say 'go off'. 'Activated' is technical.
Build natural chunks
Words that usually travel with it.
go offthe alarmthe fire alarma bombthe gun
Don't confuse it
Not used for people leaving; see other senses.
Related
- go off (food spoils) — Another meaning of 'go off' is 'food spoils'; compare the examples to keep the meanings separate.