The decision came out of the blue.
这个决定来得很突然。
The news of her marriage came out of the blue.
她结婚的消息来得很突然。
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。
There was no history of it in my family, I had been a healthy child, so it came completely out of the blue.
我的家庭没有的得骨癌的历史，之前我也一直是一个健康的孩子，这一切对我来说来的都太突然了。
The news was a great shock to me; it came absolutely out of the blue.
这个消息，对我是一个很大的打击，简直太突如其来了。
His resignation came right out of the blue.
他的辞职来得很突然。
Out of the blue, my mother came to visit one day.
突然有一天，妈妈来看我。
The manager's sudden retirement came completely out of the blue.
经理突然退休实在是令人料想不到。
There was a sudden noise, and blue smoke came out of the ring.
伴着这突如其来的声音，一股青烟从戒指里冒了出来。
There was a sudden noise, and blue smoke came out of the ring.
伴着这突如其来的声音，一股青烟从戒指里冒了出来。
应用推荐