You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.

你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。

电影《乌云背后的幸福线》

Thickening storm clouds foretell the imminent wrath of the gale.

翻涌的乌云昭示着风暴迫近的狂暴。

金山词霸

The scorching sun had parched the land, and suddenly the clouds gathered as showers poured down upon the parched earth.

烈日烤焦了大地，突然乌云聚涌，倾盆大雨落在焦干的土地上。

金山词霸

We noticed dark clouds gathering while we were out in the boat.

我们划船时注意到乌云密布。

金山词霸

The pass described a perfect arc across the leaden, overcast sky.

传球在阴沉的、乌云密布的天空中划出了一道完美的弧线。

金山词霸

The jagged mountaintops were quickly shrouded by ominous clouds.

险峻的山巅迅速被不祥的乌云笼罩。

金山词霸

The sky darkened with menacing clouds, signaling the arrival of an approaching storm.

天空因险恶的乌云而变暗，预示着即将到来的一场风暴。

金山词霸

The sky blackened and soon it began to rain.

天空乌云密布,很快便下起雨来.

《简明英汉词典》

The black clouds show that a storm is imminent.

乌云预示暴风雨即将来临.

《简明英汉词典》

The incident that morning still hung like a cloud over them.

早上发生的事还像一片乌云似的罩在他们心头.

《简明英汉词典》

Bob always enjoys sailing, even though the weather is cloudy.

鲍勃总是很喜欢航行, 即使空中乌云密布.

《简明英汉词典》

The morning began fine, but now clouds are banking up.

早晨开始是晴天, 可是现在乌云密布.

《简明英汉词典》

Black clouds are an unmistakable sign of coming rain.

乌云是下雨的明显先兆.

《现代汉英综合大词典》

The sky was overcast, the ligtning leaped from cloud to cloud.

天空乌云密布, 电光在云块间闪动.

《现代汉英综合大词典》

Black clouds, thunder and lightning show that a storm is imminent.

乌云 、 雷、电表明一场风暴已迫在眉睫.

《用法词典》