| 释义 |
out of the blue/a clear sky
without any warning; unexpectedly 出其不意地；忽然
* You may want to spend time with a longlost friend who drops in out of the blue. 如果有一位久已失去联系的朋友突然来访，你会很想同他多呆一会儿。
* The cowboy thought he was alone but suddenly out of a clear sky there were Indians all around him. 牛仔以为只有自己一人，谁知忽然间身旁出现了许多印第安人。 |