ungrateful [ʌnˈɡretfəl]

例句:

• He was cold, aloof, condescending, ungrateful.
  来自NEWYORKER
• You ungrateful brat.
  你这个没良心的小坏蛋。
  
• I thought it was rather ungrateful.
  我觉得这样做有些忘恩负义。
  
• I won't give her any more if she's ungrateful.
  要是她不领情,我就再也不给她了.
  
• Ya ungrateful bam! I just saved your poxy life!
  来自I. Pattison
• I said hurriedly, not wanting to offend anybody or seem ungrateful.
  来自THETIMES