Behold, mine angel; not Christ, the Angel of the covenant, who had hitherto gone before them; but a created angel, as appears by comparing this with Exodus 33:2,3,12; though Moses obtained the revocation of this threatening, Exodus 33:14,17. I will visit their sin upon them; when I shall punish them for their other sins, which I foresee they will commit, I will remember and punish this also.
Related Commentaries of Exodus 32:34
Exodus 32:34
34 Therefore now go, lead the people unto the place of which I have spoken unto thee: behold, mine Angel shall go before thee: nevertheless in the day when I visit I will visit their sin upon them.