keep a lookout

WATCHto keep watching carefully for something or someone, especially for danger 密切注视，留心〔尤指危险〕

keep a lookout for

We were instructed to keep a lookout for enemy aircraft.

我们接到命令要密切注意敌机。

When you’re driving, keep a sharp lookout (=watch extra carefully) for cyclists.

开车时要特别注意骑自行车的人。

Examples from the Corpus

keep a lookout• Then, with a watchful eye, it can keep a lookout for potential prey without revealing its presence.• Soldiers kept a lookout for enemy planes through the night.• And send a couple of your boys up here to keep a lookout.• From his present position, Larsen would be better placed to keep a lookout for trouble and provide backup.

→ keep a lookout at lookout(2)

单词	keep a lookout
释义	keep a lookout keep a lookout WATCHto keep watching carefully for something or someone, especially for danger 密切注视，留心〔尤指危险〕 keep a lookout for We were instructed to keep a lookout for enemy aircraft. 我们接到命令要密切注意敌机。 When you’re driving, keep a sharp lookout (=watch extra carefully) for cyclists. 开车时要特别注意骑自行车的人。 Examples from the Corpus keep a lookout• Then, with a watchful eye, it can keep a lookout for potential prey without revealing its presence.• Soldiers kept a lookout for enemy planes through the night.• And send a couple of your boys up here to keep a lookout.• From his present position, Larsen would be better placed to keep a lookout for trouble and provide backup. → keep a lookout at lookout(2)
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