RichThesaurus
pin one's hopes on
vs
take to the bank
pin one's hopes on
verb
To place all one's trust or hope in (someone or something).
take to the bank
verb
To utterly trust, believe, or rely on.
How often have the words
pin one's hopes on
and
take to the bank
occurred in a corpus of books?
(source:
Google Ngram Viewer
)