1)
What is the meaning of "va'Ychal"?
1.
Rashi: It is an expression of prayer.
2)
How did Chizkiyah fear Hashem?
1.
Radak: "Va'Yikana Chizkiyah b'Govah Libo" (Divrei ha'Yamim II, 32:26).
3)
What evil are we doing?
1.
Rashi: If we kill him, it will be a great evil. Malbim - this will not remove harm. It will increase the evil that will come on us!
