faultless
adjective approving uk/ˈfɒlt.ləs/ us/ˈfɑːlt.ləs/
C2 完美的;无误的
perfect and without any mistakes
a faultless performance 完美的表演
speaking faultless French 一口完美的法语
Synonyms: flawlessimmaculate impeccableperfect (WITHOUT FAULT)unblemisheduntarnished (REPUTATION)