Keep watch
备守───Keep watch
Jose, as usual, had climbed a tree to keep watch.───乔斯一如往常地爬到树上放哨。
Therefore keep watch, because you do not know the day or the hour.───所以你们要儆醒，因为那日子，那时辰，你们不知道。
The king became very angry at this, and ordered the gardener to keep watch all night under the tree.───国王变得非常生气，命令园丁整夜在树下看守。
Now they also have to keep watch for the contractors who are trying to build roads up the mountainsides.───现在他们还得注意试图沿着大山向上修路的承包商。
Jean Valjean could glide along close to the houses on the dark side, and yet keep watch on the light side.───冉阿让可以隐在阴暗的一边，顺着房屋和墙壁朝前走，同时窥伺着明亮的一面。
If they continued to keep watch, what might these hypothetical aliens witness in the next few decades?───如果这些假设的外星人继续监视着我们，他们在今后几十年内会见证到什么？
He was to keep watch in the lighthouse.