unthankfully
adj. 不感谢的；不感恩的；不知感谢的
副词：unthankfully 名词：unthankfulness
近义词：ungrateful，thankless，
英英释义
Adjective
- not feeling or showing gratitude;
"ungrateful heirs" "How sharper than a serpent's tooth it is / To have a thankless child!"