unthankful
adj. 不感謝的; 不感恩的; 不知感謝的; 使人不愉快的
1. not feeling or showing gratitude;
She was unthankful to her boy friend for his gift.
她並不感謝男朋友送東西給她.
He was not unthankful for that.
他正巴不得這樣做呢.
ungrateful