| 例句 |
thanklessadjective not showing gratitudea thankless boss who seems oblivious to the extra effort his subordinates have made unappreciative, ungrateful rude, thoughtless, ungracious appreciative, grateful, obliged, thankful beholden, indebtedgratified, pleasedcourteous, gracious, thoughtful not likely to be appreciated by those who benefitthe thankless job of cleaning up after a party unappreciated, ungrateful uncredited, underappreciated, underrated, undervalued, unnoticed, unrecognized, unrewarded, unsung, unvalued appreciated credited, esteemed, honored, prized, recognized, regarded, rewarded, valuedcreditable, meritorious, praiseworthy in the 15th century |