grateful 
英 [ˈɡreɪtfʊl]  美 [ˈgreɪtfəl] 
adj. 感激的，感谢的；令人愉快的，宜人的

例句：
Thanks, I'm very grateful. 

谢谢，我非常感激。

His family were grateful for the support they had received from their friends. 

他的家人对朋友们的支持表示感激。

I'm very grateful for the opportunity that I've had. 

我十分感谢获得的这个机会。

I'm very grateful to you for all your help. 

我很感激你对我所有的帮助。