费力不讨好 fèilìbùtǎohǎo thankless Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 这件工作真是费力不讨好。 zhè jiàn gōngzuò zhēn shì fèilì bù tǎohǎo. This task is a thankless job that requires a lot of effort. Source: Dong Chinese Dictionary