jump down someone's throat
US /dʒʌmp daʊn ˈsʌm.wʌnz θroʊt/
UK /dʒʌmp daʊn ˈsʌm.wʌnz θroʊt/

1.
对某人大发雷霆, 严厉斥责
to react angrily to something that someone says or does, often without good reason
:
•
I just asked a simple question, and she immediately jumped down my throat.
我只是问了一个简单的问题,她立刻对我大发雷霆。
•
Try not to jump down his throat; he's just trying to help.
尽量不要对他大发雷霆;他只是想帮忙。