RichThesaurus
bite off more than one can chew
vs
try to be too smart
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.
try to be too smart
How often have the words
bite off more than one can chew
and
try to be too smart
occurred in a corpus of books?
(source:
Google Ngram Viewer
)