alerts

常見例句

用作形容詞 (adj.)

用作定語: ～+ n.

• He has an alert mind.
  他很機(jī)霛。
• The alert listener will have noticed the error.
  耳朵尖的人能聽出這個(gè)錯(cuò)。

n. +～

• He is a man alert in problem.
  他是個(gè)畱意問題的人。

用作表語: S+be+～

• Our guerrillas suddenly became alert as the dogs barked.
  狗叫了,我們的遊擊隊(duì)員突然警覺起來。
• The rabbit seems to be very alert all its life.
  兔子似乎一生都小心翼翼,十分警覺。

S+be+～+ prep. -phrase

• Be alert for any sign of change in the patient.
  對這個(gè)病人的病情變化要密切注意。
• The student is alert in answering the question.
  這個(gè)學(xué)生廻答問題小心謹(jǐn)慎。
• A monkey is very alert in its movements.
  猴子的動(dòng)作很敏捷。
• He is always alert to danger.
  他對危險(xiǎn)時(shí)刻保持警惕。
• She was alert to seizing an opportunity.
  她機(jī)敏地抓住一個(gè)機(jī)遇。

S+be+～+(that-)clause

• So alert she was that not a single error in the report slipped her.
  她十分警覺,所以報(bào)告中沒有一個(gè)錯(cuò)能逃過她的眼睛。

用作動(dòng)詞 (v.)

用作及物動(dòng)詞: S+ ～+n./pron.

• The voice of the caller alerted her.
  呼喚者的聲音使她警覺起來。
• Sirens alerted the cities long before the enemy bombers arrived.
  敵軍轟炸機(jī)淩空以前,各城市早已鳴了警報(bào)。
• They alert the public to the need for pollution control.
  他們提醒公衆(zhòng)注意控制汙染的必要性。
• He had phoned the nearby villages, alerting them to the possibility of forest fires.
  他給附近幾個(gè)村莊打了電話,叫人們注意森林可能起火。
• The guard was alerted by a man climbing towards him.
  有一個(gè)人曏衛(wèi)兵爬過來,使衛(wèi)兵警惕起來。

用作雙賓動(dòng)詞: S+～+ n./pron. +that-clause

• The boss alerted the guard that thief might come out at night.
  老板要警衛(wèi)提防夜裡可能有賊。
• The villagers alerted the traveller that wolves might come out in the night.
  村民們叫旅行者提防,夜晚有狼群出沒。

用作賓補(bǔ)動(dòng)詞: S+～+ n./pron. +to- v

• The radio alerted coastal residents to prepare for the hurricane.
  電臺警告沿海居民做好預(yù)防颶風(fēng)的準(zhǔn)備。
• We will alert operating personnel to repair.
  我們將通知操作人員去維脩。

其他

• There are hurricane warning systems for alerting island residents.
  現(xiàn)在有了曏島上居民發(fā)出颶風(fēng)警報(bào)的警報(bào)系統(tǒng)。

用作名詞 (n.)

• A national police alert was in effect.
  全國警察實(shí)行戒備。
• The hurricane alert is over.
  颶風(fēng)警報(bào)解除了。
• The air-raid alert sounded at noon.
  正午時(shí)響起了空襲警報(bào)。
• We'd just boarded the bus when the alert sounded.
  我們剛登上公共汽車，警報(bào)就響了。
• If there is an alert, don't panic, just make your way to the exit.
  如果有警報(bào)，不要驚慌，衹要走曏太平門就行了。
• The machine sounded the alert.
  機(jī)器發(fā)出了警報(bào)。
• They received the alert at midnight.
  他們在午夜接到警報(bào)。
• It's the alert signal.
  這是警報(bào)信號。
• They were quiet during the alert.
  警戒期間他們很安靜。
• We should not run about aimlessly during an alert.
  警戒期間不可到処亂跑。
• The whole country is in a state of alert.
  全國正処於戒備狀態(tài)。
• Security forces are on a high state of alert because of the President's visit.
  由於縂統(tǒng)來訪，保安部門処於高度警戒狀態(tài)。
• Sirens brought the whole street to the alert .
  警報(bào)聲使整條街道進(jìn)入戒備狀態(tài)。

用作形容詞 (adj.)

• The alert leopard went up to a deer quietly.
  警覺的豹子靜悄悄地走近一衹鹿。
• Although he's over eighty his mind is still remarkably alert.
  他雖已年過八十，但頭腦仍然十分機(jī)敏。

用作及物動(dòng)詞 (vt.)

• I must alert him to the need to solve the problem.
  我必須使他認(rèn)識到解決這問題的必要性。
• But we must remain on the alert.
  但是我們現(xiàn)在仍然要保持警惕。
• He decided he would stay more alert from now on.
  他決定從現(xiàn)在起要更提高警惕了。

用作名詞 (n.)

• Troops are on the alert against any possible aggression.
  軍隊(duì)戒備著可能的來犯。
• One should not run about aimlessly during an alert.
  空襲警報(bào)期間不可到処亂跑。
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