thy hand - of God, or power in distressing him (Psa 38:2).
moisture - vital juices of the body, the parching heat of which expresses the anguish of the soul. On the other figures, compare Psa 6:2, Psa 6:7; Psa 31:9-11. If composed on the occasion of the fifty-first Psalm, this distress may have been protracted for several months.