(it's) all uphill from here

(it's) all uphill from here

(Something is) very difficult or challenging from this point on. Well, we're down 17-1—it's all uphill from here, fellas. Getting the proposal approved was the easy part. The rest of the project is all uphill from here.
See also: all, here, uphill
Farlex Dictionary of Idioms.
See also:
  • uphill
  • eyes down
  • eyes down!
  • struggle
  • an uphill job
  • an uphill fight
  • an uphill battle
  • uphill battle
  • an uphill struggle/battle/task
  • an uphill struggle