A bitter or resentful feeling towards someone or something, often related to perceived injustice or grievance.

A state of emotional unrest caused by memories or situations that are unresolved.

अस्वीकृत यादों या परिस्थितियों से उत्पन्न भावनात्मक अशांति की स्थिति।

English Usage: His fu-chou kept him awake at night, haunted by past mistakes.

Hindi Usage: उसकी कड़वाहट ने रात भर उसे जगाए रखा, भूत काल की गलतियों से परेशान।