thankless

a. 不感谢的,忘恩的,不知感恩的

Texas, text, textbook, textile, textual, textually, texture, textured, Thai, Thailand, thalidomide, Thames, than, thank, thank goodness, thank you, thank-you, thankful, thankfully, thankfulness, thanklessly, thanklessness, thanks, thanks so, thanks to, thanksgiving, Thanksgiving Day, that, that is, that is to say, that is wrong of me, thatch, thatcher, thaw, the, the ,South `Pole, the ,Supreme `Being, the absolute, the accused, the aged,