Matthew 10:27

tn Grk “what you hear in the ear,” an idiom.

tn The expression “proclaim from the housetops” is an idiom for proclaiming something publicly (L&N 7.51). Roofs of many first century Jewish houses in Judea and Galilee were flat and had access either from outside or from within the house. Something shouted from atop a house would be heard by everyone in the street below.