例句：I felt a growing sense of alarm when he did not return that night.
The doctor said there was no cause for alarm .
I hammered on all the doors to raise the alarm .
A car alarm went off in the middle of the night.
The alarm went off at 7 o'clock.
He heard the alarm go off.
例句：The captain knew there was an engine fault but didn't want to alarm the passengers.
The news was greeted with alarm by MPs...
We could not see what had alarmed him.
They were alarmed by a sudden air attack.
Jenny was alarmed by these brash and brilliant children.
You will hear of wars and rumors of wars, but see to it that you are not alarmed.