a.

1. 感谢的，感激的[F][（+for/to）][+to-v][+（that）]
   I am grateful to have you help me repair the house.

   承你帮忙修缮房子，我十分感激。

   She was grateful to George for all that he had done.

   她感激乔治所做的一切。

2. 表示感谢的[B]
   They sent us a grateful letter.

   他们给我们寄来了一封感谢信。

3. 令人愉快的；可喜的

adj.

1. feeling or showing gratitude.
2. archaic received with gratitude.