"If you have friends, you should speak frankly and protest. Where does "cong" come from, what do you mean, comment and translation?

Note: negligence, error. Call a spade a spade: call a spade a spade and have no scruples. Admonish: Admonish, exhort.

If a friend is wrong, he should speak out and give him advice.

"If you have friends, you should speak frankly and protest." From: Grand View of unofficial history in Qing Dynasty, Volume 10.