tn A preterite form with the vav consecutive can be subordinated to a following clause. What she saw stands as a reason for what she did: “when she saw … she hid him three months.”
tn After verbs of perceiving or seeing there are frequently two objects, the formal accusative (“she saw him”) and then a noun clause that explains what it was about the child that she perceived (“that he was healthy”). See GKC365§117.h.
tn Or “fine” (טוֹב, tov). The construction is parallel to phrases in the creation narrative (“and God saw that it was good,” Gen 1:4, 10, 12, 17, 21, 25, 31). B. Jacob says, “She looked upon her child with a joy similar to that of God upon His creation (Gen 1:4ff.)” (Exodus, 25).