/ʌnˈfeɪlɪŋ ||; ʌnˈfelɪŋ/adj that you can depend on to always be there and always be the same 靠得住的;始终存在或不变的: unfailing devotion/support不变的忠诚;可靠的支持She fought the disease with unfailing good humour.她始终心情愉快地与疾病作斗争。 ➔unfailinglyadvunfailingly loyal/polite忠贞不渝;始终彬彬有礼