adj.不感謝的；不感恩的；不知感謝的

She was unthankful to her boy friend for his gift. 她并不感謝男朋友送東西給她。

Having too much often makes you unthankful.... 老媽說我施法時的吟唱聲嚇得死人。。。。。

For He is kind to the unthankful and evil. 因為他恩待那忘恩的和作惡的。

He is good even to people who are unthankful and cruel. 同樣，人類就算弱小，也不是哪個別的生物的仆人。

Can we ask God today to keep us from ever being unthankful to him or ever wanting our own way instead of his? 主啊，求你使我常存感恩之心，求你保守我不要任意而行。