overact /ˌəʊvərˈækt/ (overacting,overacted,overacts)

• 1.  

  V-I（不及物动词） If you say that someone overacts, you mean they exaggerate their emotions and movements, usually when acting in a play. 过度演绎

  例：

  Sometimes he had overacted in his role as Prince.

  有时，他把王子的角色过度演绎了。