痛苦, 怨恨
a feeling of anger, hurt, or resentment due to unfair treatment
示例:• He felt a deep sense of bitterness after being betrayed by his friend.被朋友背叛后，他感到深深的痛苦。• Her voice was full of bitterness as she recounted the injustice.她讲述不公时，声音充满了怨恨。同义词:resentmentrancoracrimonyanimosityhostility