骨ㄍㄨˇgǔ鯁ㄍㄥˇgěng之ㄓzhī臣ㄔㄣˊchén

  1. 犯顏諫諍，敢進忠言的臣子。唐·韓愈〈爭臣論〉：「使四方後代，知朝廷有直言骨鯁之臣。」

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