1)
How did the enemy hear?
1.
Malbim: They found us all arranged for war.
2)
What became known to us?
1.
Rashi: That they came to fight us.
2.
Ibn Ezra: That they wanted to come against us.
3)
Why did we return to work on the wall?
1.
Malbim (9-10): The enemy retracted and did not fight at all. However, they still feared lest the enemy attack here, for the enemy had decided that it is the bet place to attack. Therefore, all were in this place.
