It was essential that Britain demonstrate undiluted loyalty to her allies.英国必须对其盟国表现出忠贞不渝。Her Irish accent, after thirty-odd years in London, is undiluted.她在伦敦住了三十多年,爱尔兰口音还是那么浓。The report had not been received with undiluted enthusiasm.这份报告并未收到热烈的反响。I will look back at this one with undiluted pleasure.回顾此事,我会无比地开心。