/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。 ➔unfailingly adv unfailingly loyal/polite 忠贞不渝；始终彬彬有礼