adj.无缺点的,无瑕疵的;不会做坏事的;
英文例句/中文翻译:
Her written English is impeccable.
她写的英语无可挑剔。
He was dressed in a suit and an impeccable white shirt.
他身穿一套礼服和一件洁白的衬衣。
Your English is impeccable!
你的英语十分好!