around the bush
beat about
beg the question
bicker
boggle
carp
catch at straws
cavil
choplogic
cut up
dodge
equivocate
evade
evade the issue
fault-find
fence
find fault
hedge
mystify
obscure
palter
parry
pettifog
pick holes
pick nits
pick to pieces
prevaricate
pull apart
pull to pieces
pussyfoot
quibble
shift
shuffle
shy
sidestep
split hairs
take exception
tear apart
tear to pieces
tergiversate
criticise
criticize
knock
pick apart
nitpicked
nitpicking
nitpicks
nit-picking
nitpicker
nitpicky