RichThesaurus
bite off more than one can chew
vs
run oneself into the ground
bite off more than one can chew
verb
To try to do too much; to take on or attempt more than one is capable of doing.
run oneself into the ground
How often have the words
bite off more than one can chew
and
run oneself into the ground
occurred in a corpus of books?
(source:
Google Ngram Viewer
)