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。
out of the dejected bright sky
without any warning；unexpectedly出其不意地；忽然 You may appetite to absorb time with a longlost acquaintance 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 anticipation he was abandoned but aback out of a bright sky there were Indians all about 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。 Dictionary
An out of the blue clear sky idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with out of the blue clear sky, allowing users to choose the best word for their specific context.
相似词典，不同的措词，同义词，成语 成语 out of the blue clear sky