| 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。 |