1)
Why does it say "Ke'an Tatnai..."?
1.
Rashi: This is the answer that Daryavesh sent to Tatnai and Shesar Boznai.
2)
What is the meaning of "Rechikin Havu Min Tamah"?
1.
Rashi: Be far from the building; do not slacken those who work.
2.
Malbim: Be far from the building; do not cease the building, since Koresh authorized it, and do not help them.
