词典释义：
释义
a daring step or enterprise whose consequences are unpredictable
冒险行动，后果难以逆料之举。
双语例句
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All growth is a leap in the dark.
所有的成长都是黑暗中的一跃。
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4, Jim is fond of a leap in the dark.
错吉姆喜欢在黑暗处跳跃。
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Her marriage to John was a leap in the dark.
她与约翰结婚是贸然行动。
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Their move to Latin America was a leap in the dark.
他们迁居拉丁美洲是件冒险的事。
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Their move to Latin America was a leap in the dark.
他们搬家拉丁美洲是件冒险的事。