in one
in a one-er
in one go
one-shot
monotargeted
swack
unitasking
monotask
goal
unicalcarate
intraparticipant
mint
monothecal
criteria
stab
try
pass
ettle
go
unipersonal
monoparatopic
essaying
give something a try
attempter
uni-
feed two birds with one scone
bid
intrarater
offer
whirl
crack
fling
give something a go
have a stab
uniconceptual
take a stab at
retry
take a crack at
assay
man jack
unicritical
reattempt
go for
monotasking
hack
give it a try
kick at the can
at one stroke
have a go
try as one may
monoquantal
singlecast
throw
together
give something a whirl
unilaminate
suck it and see
intralocation
yan
univalued
attempt
pureplay
unicentral
single-handed
one-handedly
unimanually
OHKO
monomodally
lash
in small stages
give it a whirl
put the same shoe on every foot
bit-by-bit
unidentate
step-by-step
damnedest
intralevel
try for
stepwise
piecemeal
per saltum
nonattempt
seek
essayer
hoon
fist
triable
fill in the blank
trier
lick
solitary
striver