直呼其名 zhí hū qí míng

DEFINITIONS

  1. to address sb directly by name (idiom)
  2. to address sb by name without using an honorific title (indicating either familiarity or overfamiliarity)

CHARACTERS

直 zhí straight, erect, vertical
呼 hū breathe sigh, exhale; call, shout
其 qí his, her, its, their; that
名 míng name, rank, title, position