overact

动词 overact:

1. exaggerate one's acting
   同义词：ham it up, ham, overplay

1. He overacts the part of the loving husband.
   他扮演一个体贴的丈夫的角色，演得肉麻。
2. Amateur actors often overact.
   业余演员往往表演过火。

o.ver.act

v.（动词）
o.ver.act.ed,o.ver.act.ing,o.ver.acts
v.tr.（及物动词）
To act (a dramatic role) with unnecessary exaggeration.
过火地表演：过于夸张地演（某个戏剧角色）
v.intr.（不及物动词）
To exaggerate a role; overplay.
演得过火：过于夸张地演某角色；演得过火
To act over and above what is required; overdo in acting.
做得过分：行动超过要求，行动过火；举止过火

【引伸】
o.verac.tion
n.（名词）