And Aaron and the children of Israel saw it, and were afraid It not only dazzled their eyes, but struck such an awe upon them as obliged them to retire. Probably they doubted whether it was a token of God's favour, or of his displeasure.
Related Commentaries of Exodus 34:30
Exodus 34:30
30 And when Aaron and all the children of Israel saw Moses, behold, the skin of his face shone; and they were afraid to come nigh him.