overreact /ˌəʊvərɪˈækt/ (overreacting,overreacted,overreacts)

• 1.  

  V-I（不及物动词） 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。