difficulty
trouble
bad boy
inconveniently
give someone a hard time
hard going
deadlift
go out of one's way
pull teeth
roll of the dice
difficultate
counterproductive
queer someone's pitch
mission impossible
an old dog for a hard road
snorter
dare
daring
moon shot
chase a rainbow
hard time
back
struggle
rough sledding
praemunire
incumbrance
up the ante
no go
encumbrance
adversatively
greenness
load
manual
burden
onus
Matterhorn
crippling
mug's game
bungling
undoable
frosh
goof up
task
counterintervention
underaction
boil the ocean
gnarly
put a hurt on
wing and prayer
complacent