alarm, warning, alert; to warn ☊ 
戒备 → ☊ 
cảnh báo 
warn like: cảnh báo → →
warnen ☊ 
cảnh báo ☊ 
警告 ☊ jǐng gào die Warnung ☊ cảnh báo ☊ ☊ warnen ☊ cảnh báo ☊ ☊ die Mahnung ☊ sự cảnh báo, sự cảnh cáo ☊ ☊ Ohne Vorwarnung rollte sie auf die Küste zu. ☊ Không có sự cảnh báo trước những cơn sóng cuốn vào bờ. ☊ (Lektion 72, Nr. 1029) Bitte verschicken Sie diese Mahnung per Einschreiben. ☊ Làm ơn hãy gửi bảo đảm lá thư cảnh báo này. ☊ (Lektion 126, Nr. 2522) afford to do sth: We cannot afford to ignore this warning. ☊ afford ☊
I'll run ahead and warn them. ☊ ahead ☊
She decided to sound the alarm (= warn people that the situation was dangerous). ☊ alarm ☊
Warning bells started ringing in her head as she sensed that something was wrong. ☊ bell ☊
call (sth) out: He called out a warning from the kitchen. ☊ call ☊
a clear warning of the risks ☊ clear ☊
After the bomb warning, police cleared the streets. ☊ clear ☊
You'll catch your death of cold (= used to warn sb they could become ill if they do not keep warm in cold weather). ☊ cold ☊
an alcohol education programme (= to warn of the dangers of alcohol) ☊ education ☊
I give you fair warning, I'm not always this generous. ☊ fair ☊
I think the owners are at fault (= responsible) for not warning us. ☊ fault ☊
flash sth (at sb): Red lights flashed a warning at them. ☊ flash ☊
flash sb (sth): Red lights flashed them a warning. ☊ flash ☊
Police have issued flood warnings for Nevada. ☊ flood ☊
I'm warning you for the last time—stop talking! ☊ for ☊
The shipping forecast gave warnings of gales. ☊ forecast ☊
She was let off with a warning. ☊ let sb off (with sth) ☊
He warned me not to be late. ☊ not ☊
People were swimming in the ocean despite the hurricane warning. ☊ ocean ☊
Check the list of ingredients on the side of the package. ☊ package ☊
program sth (to do sth): The computer is programmed to warn users before information is deleted. ☊ program ☊
to hear a gale warning on/over the ship's radio ☊ radio ☊
resistance to sb/sth: The demonstrators offered little or no resistance to the police. ☊ resistance ☊
It seems only right to warn you of the risk. ☊ right ☊
Troops sealed off the site following a bomb alert. ☊ seal sth off ☊
a security alert ☊ security ☊
I heard her warning shout too late. ☊ shout ☊
If I had noticed the warning signs, none of this would have happened. ☊ sign ☊
a danger/warning/distress, etc. signal ☊ signal ☊
Chest pains can be a warning signal of heart problems. ☊ signal ☊
You should view their offer with a great deal of caution. ☊ view ☊
warn sb: I tried to warn him, but he wouldn't listen. ☊ warn ☊
If you're thinking of getting a dog, be warned—they take a lot of time and money. ☊ warn ☊
warn (sb) about/against sb/sth: He warned us against pickpockets. ☊ warn ☊
warn (sb) of sth: Police have warned of possible delays. ☊ warn ☊
warn (sb) that...: She was warned that if she did it again she would lose her job. ☊ warn ☊
warn sb what, how, etc...: I had been warned what to expect. ☊ warn ☊
warn (sb) + speech: 'Beware of pickpockets,' she warned (him). ☊ warn ☊
warn (sb) against/about sth: The guidebook warns against walking alone at night. ☊ warn ☊
warn sb (to do sth): He warned Billy to keep away from his daughter. ☊ warn ☊
They were warned not to climb the mountain in such bad weather. ☊ warn ☊
'I'm warning you!' said James, losing his patience. ☊ warn ☊
Doctors issued a warning against eating any fish caught in the river. ☊ warning ☊
to give sb fair/advance/adequate warning of sth ☊ warning ☊
The bridge collapsed without (any) warning. ☊ warning ☊
Let me give you a word of warning. ☊ warning ☊
a government health warning ☊ warning ☊
Many people continue to ignore warnings about the dangers of sunbathing. ☊ warning ☊
The union failed to heed warnings that strike action would lead to the closure of the factory. ☊ warning ☊
to give sb a verbal/written/final warning ☊ warning ☊
She was shocked by the violent scenes she had witnessed. ☊ witness ☊
A word of warning: read the instructions very carefully. ☊ word ☊