thunderboltKK [ˈθʌndɚˌbɔlt] ｜ /ˈθʌndɚˌbɔlt/
GEPT 中高級
C2noun
a shocking surprise
As he opened the door, he was hit with a thunderbolt of unexpected news: he had won the lottery!
晴天霹靂；震驚
C2noun
a discharge of lightning accompanied by thunder
The sudden thunderbolt from the sky scared the little girl and she ran inside the house for safety.
閃電雷擊