私模

私模	sī mú	(manufacturing) proprietary mold; custom mold
私	sī	(bound form) personal; private / (bound form) selfish / (bound form) clandestine / (bound form) illicit / (Internet slang) to send a private message to sb
模	mó	to imitate / model / norm / pattern
模	mú	mold / die / matrix / pattern