alert 四级六级考研GRE高考

In our reading we should always be alert for idiomatic expressions.

我们在阅读过程中应经常注意惯用法。

The patrol police on duty are on the alert against any possible disturbances.

"值班于戒备状态,随时备应付任何可能骚乱。"

The Shetland Sheepdog is a small, alert, rough-coated, longhaired working dog.

喜乐蒂牧羊犬是一种小型、惕、粗毛型长毛工作犬。

Alert readers may have noticed the misprint in last week’s column.

细心读者可能已经注意到上周专栏中印刷错误了。

The whole navy was placed on full alert.

整个海军都于全面戒备状态。

A nationwide alert went out for three escaped prisoners.

全国范围内布了报，搜捕三名监狱逃犯。

One should not run about aimlessly during an alert.

空袭报期间不可到乱跑。

With Tirol before it, the motley battlewagon went on combat alert.

在泰洛行星周围，各种战舰于战斗戒状态。

Drivers must be on the alert for traffic signals.

驾驶员必须密切注意交通信号。

A sparrow is very alert in its movements.

麻雀行动非常机灵。

He is a man alert in problem.

他是个留意问题人。

The voice of the caller alerted her.

呼唤者声音使她觉起来。

The radio alert ed the citizens to prepare for the hurricane.

电台告市民们作好预防暴风备。

The policeman alerted me to the danger.

察告我有危险。

A local resident, Sher Ali, said the tribesmen in the Angor Adda area had been on alert since September 3 when US special forces dropped by US helicopters killed more than 20 civilians.

一名当地居民，谢尔阿里说，部落，在angor adda面积已提高觉，自9月3日，当美国特种部队下降了美军直升机死亡， 20多平民。

Scientists on Wednesday raised the alert level for Anak Krakatoa and Tangkuban Prahu -- which regularly spew gas and rumble -- from "normal" to "warning," the middle of three alert levels.

上周三，科学家们将喀拉喀托火山和唐库班珀拉胡火山戒度由“正常”提高到“告”，三级戒中间等级，因为这两座火山近来定期喷出火山灰，并出隆隆声音。

Iraqi security forces were placed on high alert and American aircraft —unpiloted reconnaissance drones flying low, and fighter jets roaring high above —crossed the capital.

伊拉克安全部队于高戒状态，美国空军在首都上空穿梭，无人驾驶侦察机低空飞行，战斗喷气机高空呼啸。

He was the same thin, pleasant, alert, rather agreeable soul that he had been in the heyday of his clerkly prosperity.

他还是和做职员正得意全盛时期一样，是一个瘦削、高兴、灵活、和蔼可亲家伙。

A new design of intelligent fire alert detecting system on multi detector signal fuzzification technic is presented in this paper.

提出一种基于模糊-神经网络多探测器信息模糊化智能型火灾报监测系统新方案。

He has an alert mind.

他很机灵。