sourness

基本解释

Yes, too long and intense an acquaintance can lead to sourness.
的确，如此过久而认真的相知可导致变味。
Despite the wave of sourness in the Middle East towards Mr Bush's visit, signs were noted that his administration, albeit late in its tenure, was paying more attention to Arab concerns.
尽管中东地区对布什此行有些闷闷不乐的怨气，不过应该注意到的一个信号是，虽然已是任期的末期，但布什政府对阿拉伯问题更为关注了。
And Mr Mbeki has undertaken what sounds like a personal mission to redeem the rest of Africa by spreading the word of good governance and liberal economics. So why has a note of sourness crept in?
姆贝基先生就像是担起了一项任务，他要通过宣扬好政府与自由经济来补偿非洲其它国家，那么他为什么会被认为是在使怀心眼儿呢？

Babies usually respond negatively to sourness too by wrinkling their noses, blinking, and pursing their lips.
FORBES: How Food Companies Carry Out Sensory Consumer Research On Kids And Babies
Yet, despite such election-time sourness between partners, it is still possible that the present coalition might hang on.
ECONOMIST: Austria
Suddenly I knew what she wanted to do, and with that thought the sourness of the coffee rose in my throat.
NEWYORKER: The Slows