Senses
碴子 bits
(colloquial) tiny bits; small pieces; fragments; remnants of something broken
碴子 incident
(colloquial) an incident; a small event; an episode
碴子 opportunity
(colloquial) an opportunity; a subject or topic for discussion
碴子 hothead
(Beijing dialect) a person who is easily angered or has a bad temper
碴子 grits
coarsely ground corn or other grain (especially 玉米 )