back the wrong horse
nonsupport
supportlessness
go wrong
support
miscarry
fail
dud
washout
unthrive
flop
back the right horse
lay an egg
loyal
shore
break down
fall back
underlay
strike out
orphan
bail
advocate
whistle for
not be 100 percent on something
fall through
loyalize
wrap one's arms around
bootstrap
stut
roll of the dice
militant
wear down
keep one's fingers crossed
discountenance
stand by
let someone down gently
supportingly
counterintervention
get ideas
turn against
strike out looking
challenge
hold out
cut bait
stand behind
take the wind out of someone's sails
draw a blank
to no avail
throw one's weight behind
leave someone out in the cold