thankless

美音音标: ['θæŋkləs] thankless
英音音标: ['θæŋkləs] result.0.expl|add:"

同义
thankless ungrateful unthankful
词性
a
解释
not feeling or showing gratitude
示例
ungrateful heirs|How sharper than a serpent's tooth it is / To have a thankless child!

同义
ungratifying unappreciated thankless
词性
s
解释
not likely to be rewarded
示例
grading papers is a thankless task