vigilant GRE专八雅思托福

the burglar was spotted by vigilant neighbours.

警惕邻居发现了夜贼。

the vigilantes felt he did not conformto their definition of Americanism.

治安维持会成员觉得他和他们所界定美国主义不相符合。

a watchful parent with a toddler in tow;

vigilant 指意那些或有潜事物：

He has to learn how to remain vigilant through these long nights.

他得学会如何这漫长黑夜里保持警觉。

keeping a vigilant eye on every building where a fire might start.

意每一座可能发生火灾大楼。