Collocations for thrilled - adj.

be, feel, look, seem

really
absolutely, quite, totally, utterly
not exactly, not too
He's not exactly thrilled at the prospect of working for his old rival.

secretly

at
I was secretly thrilled at the prospect of going there again.

with
I'm really thrilled with the results.

thrilled to bits (BrE), thrilled to pieces (AmE)
I was thrilled to bits/pieces when my son won.