To worry or fret over something.
fret the gizzard
To vex oneself; to worry.
take a bite out of
To reduce something by removing or completing part or all of it.
bite of the cherry
A chance; an attempt at something, especially something that can or sh…
bite one's lip
To forcibly prevent oneself from speaking, especially in order to avoi…
eat an elephant one bite at a time
To do something one step at a time; to do something in steps rather th…
bite one's tongue
To resist the urge to speak out, especially in order to avoid saying s…