impeccableKK [ˏɪmˋpɛkəbəl] /ˌɪmˈpɛkəbəl/發音形容詞1無可挑剔的、完美無瑕的、一流的Her English is impeccable, even though she has never lived abroad.她的英文無可挑剔,儘管她從未在國外住過。2無可指責的、品行端正的After twenty years of impeccable service, he retired last spring.在二十年無可指責的服務之後,他去年春天退休了。