◄
Think Hard
►
Thesaurus
always trot out
apply the mind
belabor
dig
drudge
dwell on
dwell upon
fag
grind
grub
hammer
hammer at
hammer away
harp on
insist upon
keep doggedly at
labor
moil
peg
peg away
plod
plug
plug along
plug at
plug away
pound away
puzzle
puzzle over
slog
slog away
stew over
think hard
thresh over
toil
travail
wade through
work away
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