World Wide Study Bible
a Bible passage
3. But if—Yea, even if (as I grant is the case).
hid—rather (in reference to 2Co 3:13-18), "veiled." "Hid" (Greek, Col 3:3) is said of that withdrawn from view altogether. "Veiled," of a thing within reach of the eye, but covered over so as not to be seen. So it was in the case of Moses' face.
to them—in the case only of them: for in itself the Gospel is quite plain.