A flash of lightning lit up the night sky.

一道闪电照亮夜空。

Suddenly he had a flash of inspiration.

突然间他灵感来了。

a flash of anger / inspiration

怒上心头/灵感的闪现

a camera with a built-in flash

有内置闪光灯的照相机

I'll need flash for this shot.

拍这个镜头我需要闪光灯。

Lightning flashed in the sky.

闪电在空中划过。

He flashed the light in my eyes.

他用光晃我的眼。

Police cars arrived with their blue lights flashing.

警车到了，蓝色的警灯闪烁着。

Why is that driver flashing his lights at / towards me?

那个司机为什么朝我闪车灯呢？

A smile flashed across Kathy's face.

凯西的脸上闪过一丝微笑。

Memories flashed through his mind.

回忆掠过他的脑海。

A good idea flashed into my mind.

我突然想到一个好的主意。

Images of the war flashed across the screen.

屏幕上闪过战争的画面。