The news was like a thunderbolt out of a clear sky.

这消息犹如晴天霹雳.

《现代汉英综合大词典》

His visit came out of a clear sky.

他的来访实在出乎意料.

《简明英汉词典》

He announced out of a clear sky that he was going to quit his job and join the army.

他突如其来地宣布要辞掉工作去参军.

《简明英汉词典》

This was a thunderbolt out of a clear sky.

这真是晴天霹雳.

英汉文学 - 汤姆历险

Suddenly, out of a clear sky , the solution came to me.

突然, 我想到了解决的办法.

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The news was a thunderbolt out of a clear sky.

那个消息对我来说简直是晴天霹雳.

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One day, out of a clear sky, I got a letter from Jenny.

有一天, 从碧蓝天外, 我收到珍妮的来信.

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