Bite off more than one can chew

Bite off more than one can chew

Meaning:

To try to do something that is too difficult

If you bite off more than you can chew, you try to do more than you are able to.


Example:

She has bitten off more than she can chew again. She has agreed to finish 3 very difficult projects by the end of this year.

Do your best. Do whatever you can, but don't bite off more than you can chew.