histrionic
adjective disapproving uk/ˌhɪs.triˈɒn.ɪk/ us/ˌhɪs.triˈɑː.nɪk/
做作的，装腔作势的
very emotional and energetic, but not sincere or without real meaning
a histrionic outburst 装腔作势的激情迸发
She put on a histrionic display of grief at the funeral. 她在葬礼上装出一副悲伤的样子。
Synonym: melodramatic