alert是什么意思

alert是什么意思

adj.警觉的；灵敏的vt.使意识到；警惕n.警戒；警报

adj.(形容词)

警觉的，警惕的留神的机敏的，机灵的，灵活的，机警的，灵敏的精神抖擞的细心的活跃的

n.(名词)

警戒期间，警戒期间，警报发出后，部队待机出动的时间警戒，警报，警惕，戒备警戒状态【军】紧急待命，战备，待命行动发警报报警信号“警戒”（英国制造的巡逻艇）

v.(动词)

使警觉， 使警戒，（使）警惕，使戒备，使（某人）保持警觉使注意，提醒，使…意识到， 使认识到，提醒（某人）注意通知待命，通知，通报向…报警，向…发出警报告诉发出警告，命令警戒清醒

adj.(形容词)

警惕的,警觉的,注意的 watchful and ready to deal with danger机灵的,敏捷的 quick to see and act

v.(动词)

vt. 使处于戒备状态; 警告 make sb watchful and ready for possible danger

n.(名词)

[C][S]警戒；戒备；警惕 a situation in which people are watching for danger and ready to deal with it[C]警报 a warning of danger or of a problem

Noun:

condition of heightened watchfulness or preparation for action;”bombers were put on alert during the crisis”a warning serves to make you more alert to dangeran automatic signal (usually a sound) warning of danger

Adjective:

engaged in or accustomed to close observation;”caught by a couple of alert cops””alert enough to spot the opportunity when it came””constantly alert and vigilant, like a sentinel on duty”quick and energetic;”a brisk walk in the park””a lively gait””a merry chase””traveling at a rattling rate””a snappy pace””a spanking breeze”mentally perceptive and responsive;”an alert mind””alert to the problems””alive to what is going on””awake to the dangers of her situation””was now awake to the reality of his predicament”

Verb:

warn or arouse to a sense of danger or call to a state of preparedness;”The empty house alarmed him””We alerted the new neighbors to the high rate of burglaries”

用作形容词(adj.)

The alert leopard went up to a deer quietly.警觉的豹子静悄悄地走近一只鹿。Although he’s over eighty his mind is still remarkably alert.他虽已年过八十，但头脑仍然十分机敏。

用作及物动词(vt.)

I must alert him to the need to solve the problem.我必须使他认识到解决这问题的必要性。But we must remain on the alert.但是我们现在仍然要保持警惕。He decided he would stay more alert from now on.他决定从现在起要更提高警惕了。

用作名词(n.)

Troops are on the alert against any possible aggression.军队戒备着可能的来犯。One should not run about aimlessly during an alert.空袭警报期间不可到处乱跑。

adj.(形容词)

alert作形容词的基本意思是“警惕的,警觉的,注意的”,指特别留神以应付可能发生的事,尤指危险的事; 引申也可指“机灵的,敏捷的”,指思维敏捷,理解快,可用来形容人,也可用来形容物。alert常用作表语,后接介词in或to,偶尔也可用作定语。

v.(动词)

alert的基本意思是指让某人对可能发生的危险或潜在的危险保持警觉或准备好迎击敌人,可译作“(向)…发出警告,使处于戒备状态”。alert是及物动词,提醒、警觉或戒备的内容常由介词to引出,提醒作为准备的内容则由介词for引出。alert也接双宾语,其直接宾语多为that引导的从句。alert还可接以动词不定式充当补足语的复合宾语。常用作定语形容词，如an alert man或his alert attention；作为动词时，alert的宾语后可接that从句。The villagers alerted the traveller that wolves might come out in the night.