RichThesaurus
make a run for it
vs
run for the hills
make a run for it
verb
To attempt to escape; to flee; to run away.
To run so as to avoid being late.
run for the hills
verb
To flee.
How often have the words
make a run for it
and
run for the hills
occurred in a corpus of books?
(source:
Google Ngram Viewer
)