Let's look at the bit about telling the truth first.

I don't really, oh I'm looking at the wrong bit.

I'm not here to give in at the first bit of hardship.

I'm chomping at the bit when I get to my feet.

Several stand out, and one or two may even have you champing at the bit.

I'm not chomping at the bit for 14 and 15.

Now they are champing at the bit to start again.

The editor gazed at the bit of cloth for a moment.

I was just chomping at the bit to get in there.

It might've been an hour later and him at the trickiest bit of his day.