He jumped down my throat at the mention of his wife.

一提他妻子他就暴跳如雷。

throat的意思是咽喉，jump down one's throat整个词组就有了“突然粗暴地回答、突然打断某人的话，说话带火药味”等意思。

例句：He is a tartar, each time I met him he would jump down my throat.
他是个刺头（他是个难对付的人），我每次遇到他，他都那么火气十足。