1
be faultless
Her explanation was faultless.
她的解释完美无缺。
无缺陷的；完美的
先理解核心含义，再看它在真实句子里的用法。
无缺陷的；完美的
Without any faults or mistakes; perfect.
Her explanation was faultless.
她的解释完美无缺。
无过失的；无缺点的；无错误的。
Without fault; free from defect or error.
完美无缺的
without fault or error
Her piano recital was faultless, earning a standing ovation.
她的钢琴独奏完美无缺，赢得了全场起立鼓掌。
AI contextual example
The diamond's cut is faultless, reflecting light brilliantly.
这颗钻石的切割完美无瑕，光芒四射。
AI contextual example
His reasoning was faultless, leaving no room for doubt.
他的推理无懈可击，毫无破绽。
AI contextual example
faultless logic
无懈可击的逻辑
WordNet
Her explanation was faultless.
她的解释完美无缺。
He gave a faultless performance.
他给出了完美的表演。
用于说明在某方面完美无缺。
She is faultless in her reasoning.
她的推理毫无瑕疵。
Not this
He performed faultless.
Use this
He performed faultlessly.
faultless是形容词，不能修饰动词；应使用副词faultlessly来修饰动词performed。
Not this
She faultless the report.
Use this
She made the report faultless.
faultless是形容词，不能直接作谓语；需借助make等动词，后接宾语补足语faultless。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
完美的表现；无懈可击的演出
Her faultless performance earned her a standing ovation.
她完美的表演赢得了全场起立鼓掌。
无懈可击的技巧
The pianist's faultless technique impressed the critics.
钢琴家无懈可击的技巧给评论家留下了深刻印象。
无懈可击的逻辑
His argument was built on faultless logic.
他的论点建立在无懈可击的逻辑之上。
无可挑剔的举止；彬彬有礼
The staff greeted us with faultless manners.
工作人员以无可挑剔的礼貌迎接我们。
完美的英语；地道的英语
She speaks faultless English despite never living abroad.
尽管从未在国外生活过，她说一口完美的英语。
Use faultless naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
faultless 由 fault（过错）+ less（无）组成，记住：毫无 fault（过错），所以完美无缺。
语域：formal 常见场景：正式写作、学术评价、书面评论 faultless 通常用于正式或书面语境，表示“无过失的、完美无缺的”，多出现在正式写作、评价或评论中，日常口语里更常用 flawless 或 perfect。
通常用作表语或定语。
Dictionary facts from ECDICT, WIKTIONARY.