1)
What is the meaning of "Tak'u va'Tako'a"?
1.
Rashi: When the afflicter will come upon them, they prepared themselves for war, but no one went out to fight.
2.
Radak: A Shofar is called Tako'a, for they are Toke'a (blow) in it to make people outside flee to the city.
2)
How do they prepare everything?
1.
Radak: They entered everything from the field into the city.
3)
Why does no one go to war?