"I was horrified at the thought of being late for my interview"
"The news of the executions horrified us"
"The empty house alarmed him"
"We alerted the new neighbors to the high rate of burglaries"
Coming upon a snake, she took alarm.
句中不用the,因这里表示吃惊。
Hearing an air-raid alert, she took the alarm.
句中用the,这里表示报警。