overact/ˌəuvərˈækt; `ovɚ`ækt/ v[I, Tn](derog 贬) act2(2a) (one's part) in an exaggerated way; overplay 表演（角色）夸张; 演得过火 Amateur actors often overact. 业余演员往往表演过火. 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. Cf 参看 underact.
牛津英汉双解词典