（尤指为防备危险而）继续密切注意，继续关注
to continue to watch carefully for something or someone, especially in order to avoid danger
Keep a lookout for small objects that a baby might swallow. 注意不要让婴儿吞食小东西。
The animals were alert, keeping a lookout for predators.
We walked on through the bush, keeping a good lookout for snakes.
One of the men stayed in the car and kept a lookout for police.
If you walk along the stream, keep a lookout for kingfishers.
See also: lookout