on the alert中文，on the alert的意思，on the alert翻译及用法

on the alert 英语释义

英语释义

watchful and prepared for action;
"bird watchers on the alert for a rare species"
"cops were on the job and caught them red-handed"

on the alert 片语

片语

be on the alert警惕

put on the alert处于戒备状态

to be on the alert警惕

be always on the alert常备

Always Be On The Alert常备不懈

Battle Fortress on the alert战斗要塞警戒之中

Keep on the alert提防着点

be on the alert for警戒

not be on the alert没有防备

on guard against提防

on the alert 例句

英汉例句

the armies were constantly on the alert not to be taken by surprise.
部队一直处于警戒状态以防突然袭击.
while the bees are making honey, they are on the alert for intruders and will sting anyone who draws too near.
在制造蜂蜜时，蜜蜂会时刻提防入侵者，它们会蛰任何靠得太近的人。
after the tv news, most of the farmers were on the alert for the disaster.
电视新闻播出后，大多数的农民对这种灾害已经处于警备状态。
in his journal, henry david thoreau wrote, "my profession is always to be on the alert to find god in nature, to know his lurking places, to attend all the oratories, the operas in nature .
亨利·大卫·梭罗在日记中写道：“我要做的就是时时刻刻从自然中发现上帝的存在，了解他在自然中隐藏的地方，观赏在自然界中上演的所有演讲和华丽的歌剧演出。
troops are on the alert against any possible aggression.
军队戒备着可能的来犯。
her down on the alert and walked into a world of rivers.
她放下了戒备，走进一个血流成河的世界。
old jolyon was on the alert at once.
老乔里恩立刻警觉起来。
governments and health authorities worldwide went on the alert over the weekend for a possible influenza pandemic as the death toll from a new strain of swine flu in mexico reached 81.
随着墨西哥因患新型猪流感病毒而死亡的人数升至81人，全球各国政府及卫生当局上周末都开始进入警戒状态，以防一场可能的流感大流行。
we were constantly on the alert against any surprise attack.
我们时时刻刻都在提防突然袭击。
when you back out of your driveway or leave your garage, be on the alert for children who are walking or bicycling to school.
当您开回您的车道或驶离车库，请当心步行或骑自行车上学的儿童。
he whose expectation does not lead him to be on the alert for its coming will get but little.
所以一个人的期待，倘使不能警觉到神助之将临，所得必属稀少。
she was always on the alert for some new calamities.
她总是保持警觉以防止某种新的灾难。
the policemen were on the alert for an excaped convict.
一名逃脱犯令警方全面警戒.
we are therefore campaigning for authors, researchers and editors to be on the alert for plagiarism and to work against cultural misunderstandings.
因此我们正在帮助论文作者、研究人员以及杂志编辑小心提防剽窃，而且还要对抗文化上的误解。
drivers must be on the alert for traffic signals.
驾驶员必须密切注意交通信号.
in the arctic, the seals that bask on the ice or swim in the water have to be continually on the alert against the polar bear.
在北极区，海豹无论是在冰上晒太阳还是在水中游泳，都要时刻提防着北极熊。
her fears had always been on the alert for an upheaval.
她日夜提心吊胆,严防突变.
she was always on the alert for some new calamities.
她总是保持警觉以防某种新的灾难.
they were constantly on the alert not to be taken by surprise.
他们一直处于常备不懈状态以防突然袭击.
stay on the alert in this case.
这种情况下要保持警惕。
be on the alert for children walking in the street, particularly in neighborhoods that have no sidewalks.
有孩子行走的街道要当心，尤其是在没有人行道的街区。
animals' power of attention is always on the alert –not by conscious effort, but by natural habit –and disposition.
动物的注意力永远是警觉着的——这并不是由于有意识的努力，而是由于习惯和天性。

on the alert 同义词

相似词

Argus-eyed警惕的；目光敏锐的

attentive注意的；体贴的；留心的

awake觉醒，意识到；使醒来，被唤起，激发起

observant善于观察的；机警的；严格遵守的

open-eyed公开的；留神的

vigilant警惕的；警醒的；注意的；警戒的

watchful注意的；警惕的；警醒的

on the alert 反义词

相反词

asleepad 熟睡地；进入睡眠状态（地）