| 短语 | keep a lookout |
| 释义 | keep a lookout to keep watching carefully for something or someone, especially for danger密切注视，留心〔尤指危险〕:[+ 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。 |
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