She felt profoundly thankful for the opportunity to pursue her dreams abroad.

thankful 是形容词，由动词 thank（感谢）加上后缀 -ful（充满...的）构成，意思是"充满感激的、感谢的"。 profoundly thankful 表示"深深地感激"，profoundly 修饰 thankful，强调感激的程度很深。