out of blue

Maybe, she would spring up out of blue with more works in the future.

也许在未来的日子里，她会带给我们更多的好作品。

The decision came out of the blue.

这个决定来得很突然。

His arrival is out of blue.

他的到来出人意料!

Her son, who left her more than thirty years ago, came out of the blue.

她三十多年前离开的儿子出乎意料地回来了.

The process and cause of breaking out of blue green algae in Tashan reservoir of drinking water is briefly introduced in this paper.

塔山水库富营养化污染主要是由无序的网箱养鱼造成的，采取生物防治技术取得了较好的治理效果。

She stared dreamily out of the small window at the blue horizon.

她出神地看着小窗子外面的蓝色地平线。

One of them wrote to us out of the blue several years later.

数年后他们中的一人突然给我们写了一封信。

He stared at me out of those washed-out blue eyes.

他用暗淡无神的蓝眼睛盯着我看。