21.   Anna Carbajal swung back and forth in her chair and bit her nails during her testimony, which lasted more than an hour.

22.   Bono, biting his nails, went back to writing.

23.   A foot jiggled incessantly here, a nail was bitten furtively there.

24.   But government officials often bite their nails during such missions.

25.   But this year, the ordinarily innocuous matter has more than a few politicos biting their nails.

26.   C-Labs too is biting its nails.

27.   Did your daughter bite her nails?

28.   Does that mean we should sit idly by, biting our nails and watching the dirty dishes in the sink expand and multiply?

29.   He bit his nails, fingered a string of worry beads and talked about how guilty he felt at having so much trouble cutting cigarettes loose.

30.   Home Depot shareholders can stop biting their nails.