Nuance can be used to identify the speaker, or you can specifically write that your character said, cried, muttered, etc.

一点细微的差别就可以辨别出说话人，或者你可以具体一点写：剧中人说道，哭着，低声抱怨道，等等。

youdao

Obama said: "This site deepens a growing concern that Iran is refusing to live up to those international responsibilities, including specifically revealing all nuclear-related activities.

奥巴马说：“这家工厂的存在加深了人们不断增长的担忧，即伊朗在拒绝履行国际责任，包括专门披露所有与核活动有关情况的责任。

youdao

"Pfizer promoted the sale of Bextra for several USES and dosages that the FDA specifically declined to approve due to safety concerns," the Justice Department said in a news release.

“辉瑞促销Bextra时所宣称的几种用途和计量是FDA处于安全性考虑特别拒绝批准的，”司法部在一项新闻发布中表示。

youdao

Pritzker's grandchildren were considering the sale of Hyatt (see "Shaking The Family Tree") as part of a plan to bust up their collective fortune, sources told us that bankers--one said specifically that he had spoken with bankers from Goldman Sachs--were talking up a potential Hyatt IPO.

FORBES: Hotels

They said very specifically that she had real respect for both their military service and their academic careers.

WHITEHOUSE: Press Briefing

On the occasion, Chief Guest, Mr. Mehmood Zeb Khan, Provincial Minister for Technical Education said that education and specifically technical education is the right of everyone.

UNESCO: EDUCATION