骨鲠在喉

gǔgěngzàihóu

骨鲠在喉 — gǔgěngzàihóu

1. literally, a fish bone stuck in the throat; figuratively, to have something on one's mind that one feels obliged to speak out candidly

   他心里有话，骨鲠在喉，说不出来。 tā xīnlǐ yǒu huà gǔgěngzàihóu shuōbùchūlái — He has something on his mind, like a bone stuck in his throat, and can't bring himself to say it.