a dispute over niggling details.
a fiddling sum of money.
a footling gesture.
a little (or small) matter.
a lowly corporal.
a subordinate functionary.
disgusted with their small-minded pettiness.
giving a police officer a free meal may be against the law, but it seems to be a picayune infraction.
limited to petty enterprises.
our worries are lilliputian compared with those of countries that are at war.
petty little comments.
petty officialdom.
piffling efforts.
the junior faculty.