There is no such idiom in the idiom dictionary. The closest one is:
bolt from the blue
Pinyin: qíng tiān pī lì Simplified Pinyin: qtpl
Explanation: Thunder breaks out on a clear day. A sudden and shocking event.
Source: Song Dynasty Yang Wanli's poem "Chengzhai Collection·Volume 21·Sunrise Tour on the Lake": "Jumping over the snow-capped mountains on the plains, thunderbolts under the clear sky.
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