Here "Find safety" represents doing what they can in order to be safe. Alternate translation: "Be safe .. by leaving Jerusalem" or "Leave Jerusalem ... so that you can be safe" (See: [[rc://en/ta/man/translate/figs-idiom]])
A trumpet is used as a warning that people will be attacked. Alternate translation: "Blow a trumpet in Tekoa to warn the people that they will be attacked" (See: [[rc://en/ta/man/translate/figs-explicit]])
This is the name of a town about 18 kilometers south of Jerusalem. The name means "a horn for blowing." (See: [[rc://en/ta/man/translate/translate-names]])
Possible meanings are 1) the signal is smoke from a fire. Alternate translation: "Light a fire to send up smoke at Beth Hakkerem to warn people about the enemy coming" or 2) the signal is a flag. Alternate translation: "Raise up a flag over the town of Beth Hakkerem to warn people about the enemy coming"
Here "wickedness" represents disaster and the people who will cause it. Alternate translation: "enemies will come from the north and cause disaster to happen to you" or "enemies coming from the north will destroy you" (See: [[rc://en/ta/man/translate/figs-metonymy]])
How the crushing will come can be stated clearly. Alternate translation: "Enemies will come and crush you" or "Enemies will come and destroy you" (See: [[rc://en/ta/man/translate/figs-explicit]])