柯林斯詞典thankless /?θ??kl?s/ 1. ADJ If you describe a job or task as thankless, you mean that it is hard work and brings very few rewards. 費(fèi)力不討好的[usu ADJ n] Football referees have a thankless task. 足球裁判的工作費(fèi)力不討好。 返回 thankless劍橋詞典A thankless job is difficult or unpleasant , and people do not thank you for it. 出力不討好的;徒勞無(wú)功的 Keeping the boys ' rooms tidy is a thankless task /job . 保持男孩們的房間整潔是件喫力不討好的事。 返回 thankless