1. 微不足道的；无关紧要的
Piddling means small or unimportant.

1. (informal) small and of little importance

e.g. a fiddling sum of money
a footling gesture
our worries are lilliputian compared with those of countries that are at war
a little (or small) matter
a dispute over niggling details
limited to petty enterprises
piffling efforts
giving a police officer a free meal may be against the law, but it seems to be a picayune infraction

Synonym: fiddlingfootlinglilliputianlittlenigglingpifflingpettypicayunetrivial