There was a flash and a mighty bang.

一道闪光伴随着一声轰然巨响。

《柯林斯英汉双解大词典》

All of a sudden there was a terrific bang and a flash of smoke.

忽然发出一声巨响，还冒出一股烟。

《柯林斯英汉双解大词典》

There was a bang and a flash of red light: Harry knew that the Snatcher had been Stunned.

砰的一声，伴随着一道红光，哈利知道那个搜捕队员被拖了昏迷咒。

youdao

Yousif said police descended on the mourners and fired tear gas, flash-bang grenades and birdshot.

CNN: Fresh clashes in Bahrain as protester is buried