你知道外国人常说的 out of the blue 是什么意思吗？
2023-05-24 16:44
作者 :
阅读量：
out of the blue
出乎意料，突如其来
释义：
If something happens out of the blue, it is completely unexpected. 出乎意料地;突然
例句：
One day, out of the blue, she announced that she was leaving.
One of them wrote to us out of the blue several years later.
