thankless
英 ['θæŋklɪs]
美['θæŋkləs]
- adj. 不感谢的；忘恩的；不领情的；吃力不讨好的
英英释意
- 1. not feeling or showing gratitude;
- "ungrateful heirs"
- "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
- 2. not likely to be rewarded;
- "grading papers is a thankless task"
