fish bone; bone stuck in the throat; sth one feels obliged to speak out about; candid speaker

to choke on a piece of food etc

variant of 耿直[geng3 zhi2]

lit. as if having a fish bone stuck in one's throat (idiom); fig. very upset and needing to express one's displeasure

lit. fish bone of a minister (idiom); fig. person one can rely on for candid criticism