a bolt from the blue
成語所屬單字bolt
a bolt from the blue — 慣用語
1. Something that happens suddenly and is completely unexpected.
1.慣用語
釋義
晴天霹靂
Something that happens suddenly and is completely unexpected.
例句
The news of her resignation came as a bolt from the blue.
Did the job offer seem like a bolt from the blue to you?