in one go
in one
in a one-er
one-shot
like a ripe plum
unitasking
effortless
brinkless
featless
unicalcarate
goallessly
easily
effortlessly
chanceless
home free
monotask
handily
resistanceless
hands down
untesting
stat
strainless
unresistingly
comfortably
nonattempt
strainlessly
uneagerly
competitionless
nonresister
instantly
hands-down
nonresistor
diversionless
ceaseless
intraparticipant
aimlessly
unfailingly
unattempting
failureless
until hell freezes over
readily
cracklessly
spitelessly
give something a try
short
swack
targetless
collisionlessly
feed two birds with one scone
goal
unchallengingly
full speed ahead
to no purpose
limitlessly
effectlessly
temptationless
unrecoiling
fill in the blank
exhaustlessly
have a go
give it a try
mill
in a heartbeat
monotargeted
tout court
coaster
vainly
momentless
push string uphill
all-out
soft snap
pangless
give something a go
ceaselessly
manage
gaplessly
inexhaustedly
challengeless
unresistedly
thinly
with one hand tied behind one's back
consecutively
take a crack at
sprezzatura
take a stab at
straightway
guerdonless
nonchallenging
assay
attemptless
durationless
unvalorously
fearless
resultlessly