rake over the coals

宮部みゆきのの小説 "The Devil's Whisper" を読み始めました。

"Even if they were out spending money, it doesn't mean they stole it."
"That's right. All you kids have jobs these days. I think there are still rules aginst that." Iwamoto glared at Mamoru again, and Mamoru hung his head. "But they broke the rules of the school and of the basketball club. I got all the club members together and raked them over the coals. When you have freshmen breaking the rules like that it leads to things like lost money.

"raked them over the coals" は文脈からすると叱ったの意味のイデオムでしょうが、この石炭は燃えているのでしょうね。

・Merriam-Webster: to criticize (someone) very severely: The government was then raked over the coals for refusing to send out information about the candidates.
・Farlex Dictionary of Idioms: To scold, reprimand, or reprove one severely for an error or mistake.: I was raked over the coals by my boss last week for messing up the accounting software.
・Oxford English Dictionary: to criticize somebody severely because they have done something wrong: I was hauled over the coals by my boss for being late.

最後に引用した辞書の用例の様に "rake" の代わりに "haul" を使った "haul one over the coals" とも言うようです。