This is the name of a valley south of the city of Jerusalem, where people sacrificed to false gods. See how you translated this in [Jeremiah 7:31](../07/31.md).
"Listen" or "Pay attention to what I am about to tell you"
# the ears of everyone who hears of it will tingle
Here "ears ... will tingle" is an idiom that means everyone will be shocked by what they hear. AT: "it will shock everyone who hears of it" (See: [[rc://en/ta/man/translate/figs-idiom]])