1 tn The construction is unusual in that we have here a perfect tense with a vav (ו) consecutive with no verb before it to establish the time sequence. The context requires that this be taken as a vav (ו) consecutive. It actually forms the protasis for the next verse, and would best be rendered “when…then they will say.”
2 tn The verb is the Hiphil perfect of נָכָה (nakhah), a term that can mean “smite, strike, attack, destroy.”