vigilance

劍橋詞典

more careful attention , especially in order to notice possible danger
警覺(jué)；警戒；警惕
The police said that it was thanks to the vigilance of a neighbour that the fire was discovered before it could spread . 警方說(shuō)多虧了一位鄰居警覺(jué)才在火災(zāi)蔓延之前發(fā)現(xiàn)了火情。 返回 vigilance