The director asked her to tone it down because she was emoting too dramatically on stage.

emoting 是动词 emote 的现在分词形式。emote 由前缀 e-（表示"向外"）和词根 mote（来自拉丁语 movere，意为"移动"）组成，字面意思是"向外表达情感"，特指"夸张地表现情绪"。 emoting 在这里指"夸张地表达情感"的表演方式。