look·out/`lkˏat; ˈlʊk-aʊt/ n 1 be on the lookout to watch a place or pay attention to a situation because you are looking for someone or something 监视; 留神观察: Be on the lookout for snakes! 小心有蛇! 2 [C] someone who watches carefully for danger, or the place where they do this 守望者; 哨所,瞭望台