unflagging

adj not showing signs of tiredness; untiring 毫无倦容的; 不疲倦的: unflagging energy, zeal, devotion, etc 充沛的精力、 不衰的热情、 不懈的奉献精神 * listen with unflagging attention, interest, concentration, etc 全神贯注地、 兴趣昂然地、 聚精会神地...听著.

unfailingly, unfair, unfairly, unfairness, unfaithful, unfaithfully, unfaithfulness, unfamiliar, unfamiliarity, unfashionable, unfasten, unfathomable, unfavorable, unfeeling, unfeelingly, unfeigned, unfeignedly, unfettered, unfinished, unfit, unflaggingly, unflappability, unflappable, unflinching, unflinchingly, unfocused, unfold, unforeseen, unforgettable, unforgivable, unformed, unforseen, unfortunate, unfortunately, unfounded, unfreeze, unfriendly, unfrock, unfulfilled, unfurl,