报警 → ☊ 
báo động 
alarm like: báo động → →
fire alarm ☊ 
còi báo động lửa cháy ☊ aircraft warning server ☊ cơ quan báo động hàng không ☊ early warning system ☊ hệ thống báo động sớm ☊ gas discipline ☊ kỷ luật báo động hơi ☊ 
der Alarm ☊ báo động ☊ 
☊ I felt a growing sense of alarm when he did not return that night. ☊ alarm ☊
The doctor said there was no cause for alarm. ☊ alarm ☊
She decided to sound the alarm (= warn people that the situation was dangerous). ☊ alarm ☊
I hammered on all the doors to raise the alarm. ☊ alarm ☊
By the time the alarm was raised the intruders had escaped. ☊ alarm ☊
The cat set off the alarm (= made it start ringing). ☊ alarm ☊
The captain knew there was an engine fault but didn't want to alarm the passengers. ☊ alarm ☊
an alarming increase in crime ☊ alarming ☊
The rainforests are disappearing at an alarming rate. ☊ alarming ☊
He felt a sudden alarm at the turn the conversation was taking. ☊ conversation ☊
Our countryside is disappearing at an alarming rate. ☊ disappear ☊
The riots are the most serious expression of anti-government feeling yet. ☊ expression ☊
feature sb/sth: The latest model features alloy wheels and an electronic alarm. ☊ feature ☊
fit sth + adv./prep.: They fitted a smoke alarm to the ceiling. ☊ fit ☊
fit sth with sth: The rooms were all fitted with smoke alarms. ☊ fit ☊
Six people were killed in the riot, including a policeman. ☊ including ☊
Police in riot gear were in attendance as a precautionary measure. ☊ measure ☊
predict sth: a reliable method of predicting earthquakes ☊ predict ☊
prospect (of sth/of doing sth): The prospect of becoming a father filled him with alarm. ☊ prospect ☊
The number of reported crimes is increasing at an alarming rate. ☊ rate ☊
When I saw the smoke, I tried to sound the alarm. ☊ sound ☊
He turned off the alarm and sprang out of bed. ☊ spring ☊
There was a sign telling motorists to slow down. ☊ tell ☊
The main thing to remember is to switch off the burglar alarm. ☊ thing ☊
Riot police with shields were blocking the demonstrators' way. ☊ way ☊