alert的词典解释是：警觉的；警惕的；留神的；机敏的If you arealert, you are paying full attention to things around you and are able to deal with anything that might happen。alert的意思是adj.警觉的；灵敏的；vt.使意识到；警惕；n.警戒；警报。alert【近义词】active。
一、详尽释义点此查看alert的详细内容
二、双解释义
三、英英释义
"bombers were put on alert during the crisis"
"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"
"a brisk walk in the park"
"a lively gait"
"a merry chase"
"traveling at a rattling rate"
"a snappy pace"
"a spanking breeze"
"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"
"The empty house alarmed him"
"We alerted the new neighbors to the high rate of burglaries"
四、例句
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。
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。
Troops are on the alert against any possible aggression.
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。
五、常用短语
六、词汇搭配
七、词语用法
The villagers alerted the traveller that wolves might come out in the night.
alert的相关近义词
active、aware、bright、careful、quick、watchful、alarm、notify、warning、siren
alert的相关反义词
careless、inactive、slow、unaware
alert的相关临近词
alex、alec、Alerto、Alerta、alertor、alerter、alertly、alert to、alerting、AlertPay、alert log、alertness
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