He was charming, considerate and impeccably mannered.

他富有魅力，待人体贴，举止无可挑剔。

《柯林斯英汉双解大词典》

At 91, he is impeccably dressed, with a face as wrinkle-free as his well-ironed shirt.

虽然已是91岁高龄，但他的衣着无可挑剔，脸上就像他精心熨烫的衬衣一样，看不到一丝皱纹。

youdao

The roads are smooth and mostly clear. The car, impeccably driven, heads across Lithuania.

这条马路平坦而干净，汽车朝着立陶宛平稳行进。

youdao

This place remains an unfailingly good address for a trencherman's feed of impeccably prepared bistro classics.

NPR: Excerpt: 'Hungry for Paris'

Chez georges is the gastronomic equivalent of the little black dress unfailingly correct, politely coquettish, and impeccably Parisian.

NPR: Excerpt: 'Hungry for Paris'

But now that the tsar has been symbolically restored, Russia has an impeccably democratic government.

ECONOMIST: Is the best yet to come?