They all guffawed at his jokes .

他们听了他的笑话都一阵狂笑。

He guffawed with delight when he heard the news .

他听到这消息时高兴地大笑。

A young man guffawed over and over on the same pitch .

一个年轻人反反复复用同一高度的音哄笑着。

He guffawed and thumped his friend between the shoulder blades .

他哈哈大笑，捶击着他朋友的肩胛骨。

Everybody in the room surprised at him as he guffawed on the occasion .

当他在那样的场合捧腹大笑时，房间里的人都吃了一惊。