overreact /ˌəʊvərɪˈækt/ ( overreacting, overreacted, overreacts )

• 1. 

  V-I If you say that someone overreacts to something, you mean that they have and show more of an emotion than is necessary or appropriate. 反应过激

  例：

  I overreact to anything sad.

  我对任何悲伤的事情都反应过激。