thunderbolt
n
1 flash of lightning with a crash of thunder 雷電; 霹靂.
2 (fig 比喻) startling or terrible event or statement 突然的或可怕的事情或言語
The unexpected defeat came as a thunderbolt. 這意外的失敗猶如晴天霹靂.
He unleashed a thunderbolt by announcinghis resignation. 他宣布辭職好似晴天炸雷一般.