（上接
第一部分
）看看“警告某人”的英文還能怎么說。
1.
alert
: to officially or publicly
warn people of possible danger so that they can be ready to deal with it
例：
The school immediately alerted the police.
（學(xué)校馬上報了警。）
When he realized that one engine was not
working, the pilot alerted air traffic control.
（飛行員一發(fā)現(xiàn)引擎壞了一個，立即給空中交通管制臺發(fā)了警報。）
alert somebody to something
a poster to alert people to the disease
（警示人們注意這個疾病的海報）
campaigns to alert the public to the
dangers of HIV
（警示公眾防范
HIV
病毒的活動）
alert somebody that
Drivers are being alerted that an escaped
prisoner has been seen hitch-hiking on the road to Frankfurt.
（警方已經(jīng)向沿途司機(jī)發(fā)出警告，有個逃犯在通往法蘭克福市的路上企圖搭便車潛逃。）
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2.
sound/raise the alarm
: to warn
everyone about something bad or dangerous that is already happening so that
they can take action to stop it or avoid it
備注：
"sound/raise
the alarm"
常用于英式英語中。
例：
Kate was told to stand at the door, and to
raise the alarm if a guard came.
（他們讓凱特在門口放風(fēng)，如果有警衛(wèi)過來就提醒他們。）
Neighbors raised the alarm when they
smelled smoke.
（鄰居們一聞到煙霧味，就提醒大家。）
sound/raise the alarm about
The Red Cross has sounded the alarm about
the danger of further famine in the region.
（紅十字會已經(jīng)發(fā)出警告，這一地區(qū)可能會進(jìn)一步發(fā)生饑荒。）
The problem is that if you sound the alarm
about fraud in your company, you might end up out of a job.
（問題是，如果揭發(fā)了公司的詐騙行為，你最后可能會被炒魷魚。）
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3.
forewarn
: to warn someone about
something bad that is going to happen soon, so that they have enough time to
prepare for it
備注：
"forewarn"
是正式的用法。
例：
Barry forewarned me that the meeting was
going to be tough.
（巴瑞提醒我說，這個會議會很艱難。）
We had been forewarned that the roads weren't
very good.
（已經(jīng)有人警告我們說路不好走。）
We'd been forewarned of the dangers of
traveling at night.
（已經(jīng)有人警告過我們夜間出游很危險。）
be forewarned of something
A police team, forewarned of the raid, had
taken up positions inside the bank.
（警方已事先獲悉有人要來搶劫銀行，現(xiàn)在已經(jīng)在銀行里部署好了。）
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4.
caution
: to warn someone not to
do something because it is likely to be dangerous or have a bad result
備注：
"caution"
是正式的用法。
例：
"Be careful now," Sarah cautioned.
"Don't do anything stupid."
（她說：“小心點，別做蠢事?！保?
caution somebody against doing something
The policeman cautioned the children
against talking to strangers.
（警察警告孩子們不要和陌生人說話。）
caution against (doing) something
Marshall cautioned against pouring millions
of pounds into taking legal action when there was no guarantee of victory.
（馬修警告說，在沒有必勝把握的情況下，采取法律行動時不要投入過大。）
補(bǔ)充：
"caution"
做名詞的時候：
例：
Caution: do not install electrical
equipment near or around water sources.
（注意：電子設(shè)備要遠(yuǎn)離水源。）
The video begins with a caution that you
must do some warm-up exercises first.
（視頻的開頭提醒人們要先做熱身運動。）
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