water over the dam
what's done is done
impossible event
time will tell
yesterday is gone
proximate cause
cry over spilt milk
sudden death
beforemath
unchangeable
immutable
domino effect
you can't put the toothpaste back in the tube
unalterable
foremath
backwater
future
inalterable
inevitable
you can't unring a bell
indeterminism
slippery slope
small wonder
the damage is done
pluperfect
dead set
goings-on
like it or not
still
unchangeably
contingent
slow-moving
wheel
line
course
inconcussible
you cannot put the same shoe on every foot
swing
immobility
instantaneous
start
disorder
disorderliness
begin
half the story
tail event
constant
irregularly
unaccompanied
vanishing point
one-off
living end
unactioned
proceeding
circumstance
go-round
irregularity
past progressive
finality
casual
lead-up
occasional
concomitant
attendant
accompaniment
disruption
brink
let nature take its course
dislocation
chain reaction
episode
invariant
that's the way life is
co-occurrence
verge
cancelled
posthistory
Hume's law
incident
collectively exhaustive
necessitude
streak
scenario
occurrence
future tense
uncause
associate
back-to-back-to-back
stars align
wash
derangement
off