ungrateful

形容词 ungrateful:

1. not feeling or showing gratitude- Shakespeare
   同义词：thankless, unthankful
2. disagreeable- Abraham Lincoln

1. At the risk of sounding ungrateful, I must refuse your offer.
   我甘受拂逆盛情之嫌，也必须谢绝你的提议。
2. "Besides, whether I am or not, " he added, "that has little or nothing to do with his thinking me ungrateful."
   "况且，不管我是不是这样", 他接着说，"这和他认为我忘恩负义没有多大关系。"
3. Not thankful; ungrateful.
   没有谢意的; 忘恩负义的
4. He is an ungrateful fellow; I'll never help him.
   他是一个忘恩负义的家伙，我再也不帮他了。