On top of that, we get huge gobs of money from Uncle Sam but are not sufficiently grateful.

I can never be sufficiently grateful to you for what you have done.

Mrs. Wilcox was delighted - so original, words so sweet; she would order a hundred like that, and could never be sufficiently grateful.

There has been a feeling here, rarely expressed publicly, that Bangladesh has not been sufficiently grateful for India's central role in breaking Pakistan's hold.

You hope the Empress will be sufficiently grateful to you to free Cawti.

No, we were sufficiently grateful that those six men were still alive, and now, of course, all of them are back at work.

Everyone thought that he could never be sufficiently grateful to her for all she had done for them all.

I can never be sufficiently grateful to him for refraining.

Adelheid could be expected to be sufficiently grateful for her good fortune to convert to Roman Catholicism.