释义
sleep very lightly, aware of what is happening around one
睁着一只眼睛睡（睡觉时非常警觉），睡得不沉。
双语例句
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Dolphins sleep with one eye open.
海豚睡觉睁一眼闭一眼。
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Dolphins sleep with one eye open.
海豚睡觉，睁一只眼闭一只眼。
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You have to sleep with one eye open for the rest of your life.
你的余生都将睁着一只眼睛睡觉。
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You are looking into the unblinking eyes of elephants, who sleep with one eye open.
你正看在看得是猫头鹰一眨不眨的眼，它们睡觉时只闭一只眼睛。
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Most of the time, when you do sleep, you sleep with one eye open for fear of having something stolen, or being attacked.
大部分睡觉时，都是一只眼睁着，提防被偷或者被袭击，而闭着另一只眼。
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You have to sleep with one eye open for the rest of your life.
你的余生恐怕都得睁一只眼闭一只眼睡觉了。
《Léon》《这个杀手不太冷》