To appear out of nowhere; to happen unexpectedly or by chance; to drop from the sky.
昨晚的流星雨真是天外飞来，让我们感到非常惊喜。
Last night's meteor shower truly appeared out of nowhere, which greatly surprised us.
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Next Idiom
To appear out of nowhere; to happen unexpectedly or by chance; to drop from the sky.
Frequency: