Read Edit View history 费力不讨好 fèilìbùtǎohǎo thankless Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 费力不讨好/費力不討好 · fèilìbùtǎohǎo · thankless 2026/03/04 费力不讨好 / 費力不討好 fèilìbùtǎohǎo thankless An arduous and thankless task; strenuous and unrewarding. 很多时候，提意见是一件费力不讨好的事。 created sense Mar 4, 2026, 02:25 AM