Английский словарь американских идиом - in the lap of the gods

also on the knees of the gods {adv. phr.}, {literary} Beyond human control; not to be decided by anyone. * /Frank had worked hard as a candidate, and as election day came he felt that the result was in the lap of the gods./ * /The armies were evenly matched and the result of the battle seemed to be on the knees of the gods./