over-emphatic       
adjective (also overemphatic) uk/ˌəʊ.vər.emˈfæt.ɪk/ us/ˌoʊ.vɚ.emˈfæt̬.ɪk/
 着重的
done or said in a way that is too strong, or giving something too much importance or attention
  Her mother gave an overemphatic nod. 她的母亲用力地点了点头。 
 His over-emphatic rantings soon begin to grate on you.
 - More examples
 - The orchestra's playing is over-emphatic in the last scene.
 - Over-emphatic gestures were required for silent film.
 - There's an overemphatic quality to the delivery of some of the dialogue.
 - The article expressed worry that the film's over-emphatic direction kills the humour of the screenplay.