un·fal·ter·ing /ʌnˈfɔːltərɪŋ $ -ˈfɒːl-/ adjectiveadj formal DETERMINEDstrong, determined, and not becoming weaker 坚决的；坚定的 unfaltering confidence 坚定的信心
unfaltering• With unfaltering confidence the barman identified the knife from Linley's pond as his lemon-cutting knife.• unfaltering loyalty• Press, and out comes an unfaltering milky flow.