Annotation:
"Bite off more than one can chew" is an idiom.
https://www.google.com/search?q...an+chew"+idiom
Related:
[#707318] Don't bite off more than you can chew. (papabear) *audio*
[#1040606] Tom has bitten off more than he can chew. (CK) *audio*
[#874054] You've bitten off more than you can chew. (papabear) *audio*
[#5326005] I bit off more than I could chew. (mailohilohi)