I will look back at this one with undiluted pleasure.我会无比开心地回想这件事情。

The report had not been received with undiluted enthusiasm.这篇报道并没有引起百分之百的热烈反响。

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。