Black clouds forebode a storm.
乌云预示有暴风雨.
《现代英汉综合大词典》
It is very difficult to forebode all the time.
人生总是很难预料.
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The dark clouds forebode a rainstorm.
乌云预示着暴风雨即将来临.
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These developments forebode disaster.
这些情况预示著要有灾祸.
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These black clouds forebode a violent storm.
这些乌云预示着狂风暴雨即将到来.
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"Call the outcome of an election"