feeling very upset and having a strong urge to express one's displeasure or grievances

对于这种不公平的待遇，他感到如鲠在喉，不吐不快。

as if having a fish bone stuck in one's throat, causing a persistent physical or metaphorical discomfort

喉咙里那种如鲠在喉的异物感让他感到十分烦躁。