They all cackled with delight.

他们都高兴得嘎嘎地笑。

The old lady cackled, pleased to have produced so dramatic a reaction.

老太婆刺耳地笑着，对这如此戏剧化的反应，她自己反倒还高兴。

The boy cackled with delight.

男孩高兴得格格地笑。

They have cackled on for hours.

他们高声咯咯大笑了好几个小时。

He cackled at his own words.

他为自己讲的话咯咯地笑了起来。