ㄑㄧㄝqiēㄎㄡˇkǒu

  1. 書頁經過翻動一邊

ㄑㄧㄝˋqièㄎㄡˇkǒu

  1. 祕密幫會行業隱語他們切口問答避免外人得悉談話內容。」暗語隱語

incision, notch, slit, gash, margin of a page, trimmed edge (of a page in a book)​, slang, argot, private language used as secret code
argot
offene Seite (Falzbogen)​