alarm

noun
B1
1
B1
a loud noise or a signal that warns people of danger or of a problem
هشدار, آژیر, زنگ خطر, صدای هشدار, هشدار صوتی, سیگنال خطر
see also false alarm
2
B1
a device that warns people of a particular danger, or that a particular person is in danger
زنگ خطر, آژیر, هشدار دهنده, زنگ هشدار, اعلام خطر, آژیر خطر
a burglar/fire/smoke alarm
The cat set off the alarm.
A car alarm went off in the middle of the night .
Carry a personal alarm with you.
Install an alarm system and learn how to use it.
see also burglar alarm, fire alarm, smoke alarm
3
B1
a ringing sound or a tune played by a clock or your phone after you have set it to play at a particular time to wake you up
زنگ هشدار, زنگ بیداری, آلارم
The alarm went off at 7 o'clock.
I set my alarm for 6.30.
4
B2
fear and worry that somebody feels when something dangerous or unpleasant might happen
وحشت, هراس, اضطراب, ترس, دلواپسی, نگرانی, تشویش
What have you done?’ Ellie cried in alarm.
I felt a growing sense of alarm when he did not return that night.
The doctor said there was no cause for alarm.
verb
B2
1
B2
to make somebody anxious or afraid
نگران کردن, ترساندن, هراسان کردن, دلواپس کردن
synonym worry
2
to fit something such as a door with a device that warns people when somebody is trying to enter illegally
سیستم هشدار نصب کردن, آژیر نصب کردن, دستگاه هشداردهنده نصب کردن