Whenever we discuss politics, he always overreacts.

每当我们讨论政治问题, 他总是反应过强.

It overreacts, makes things up as it goes along and is actually designed for somebody else's benefit.

它反应过激，制造出东西又无的放矢，效益明显不高。

During viral invasion, the body often overreacts with an excessive defensive response, called a cytokine storm.

病毒入侵时, 身体的防卫机制常常会反应过当, 产生“细胞素风暴”.

But public health officials have also had to consider the risks if the public overreacts to a pandemic declaration.

但是卫生部的官员们也考虑人们对大流行的宣布反应过火的危险。