词典释义：
释义
look out for something with particular attention
密切注意；留心；警觉
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keep an eye out for his car .留心着他的汽车。
双语例句
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He had suggested that we might keep an eye open for any large or colorful spiders .
他建议我们留心色彩艳丽或大的蜘蛛。
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We must keep an eye open for the stranger who is looking back and forth all the time.
我们必须留心那个老是东张西望的陌生人。