搖唇鼓舌（搖脣鼓舌）　

◎ 搖唇鼓舌 yáochún-gǔshé

[flag one‘s tops and beat one‘s tongue;wag one‘s tongue and speak ill of sb.at his back] 指賣弄口才,進(jìn)行游說或煽動

搖唇鼓舌,擅生是非?！肚f子·盜跖》