《北史·列传·卷五十九》
于是朝廷内外到处都在说杨勇的坏话，各种过失每天都传到文帝那里。
于是内外宣谤，过失日闻。
As a result, rumors about Yang Yong’s misconduct were spread both inside and outside the imperial court, and all kinds of errors were reported to Emperor Wen daily.