How were they Mevaet the Korbanos?
Radak: Kicking something shows contempt for it. You showed that the Zevachim and Menachos come to only feed you. It is as if you kicked them and distanced them; due to you, Yisrael refrained from bringing.
What is the meaning of "Asher Tzivisi Ma'on"?
Rashi: I commanded in My dwelling place. Radak - We find like this (the prefix Beis is omitted) - "ha'Nimtza Beis Hashem" (Divrei ha'Yamim 2 34:30) is like b'Beis Hashem.
How do we understand the end of the verse?
Rashi: It must be rearranged. You honor your sons more than [you honor] Me, in the eyes of My nation, Lehavri'achem the first of a Yisrael's Minchah. Your meal s before My (the Mizbe'ach's) 'meal', Before offering the Chelev, they demanded meat (verse 15).
How did Eli honor his sons more than Hashem!
Radak: He did not stop them from doing evil.
Malbim: You take 1 [for them] more than what is proper for Hashem.
Surely Eli did not command the youths to do so. Rather, because he did not protest, it is considered that he did so. (PF)
What is the meaning of "Lehavri'achem"?
Rashi: It refers to a meal - "Tavo Na Samar v'Savreni Lechem" (2:13:5)
Radak, Malbim: It means to fatten, like "v'Eglon Ish Bari Me'od" (Shoftim 3:17).
Why did he say Lehavri'achem (which includes Eli)? He should have said Lehavri'am!
Radak: It is impossible that Eli did not eat from what his sons ate.
What is the meaning of "l'Ami"?
Rashi: [You honor your sons more than Me, to (in the eyes of) My nation.
Radak: The Lamed is extra; it is as if it says "Yisrael Ami." We find like this - "Hargu l'Avner (2:3:30), "veha'Shelishi l'Avshalom" (Divrei ha'Yamim 1 3:2).
Malbim: You take the portion that belongs to Ami (the owner).