to drop a bombshell
01
to reveal unexpected and shocking news or information that has a strong impact on those who receive it
![to [drop|explode] a bombshell definition and meaning](https://cdn.langeek.co/photo/46298/original/?type=jpeg "to [drop|explode] a bombshell definition and meaning")
Idiom
Informal
例
She dropped a bombshell when she announced that she was resigning from her job to start her own business.
