beat the drum on the side
The 34th chapter of Li Baojia's officialdom in the Qing Dynasty: "you have to find him yourself. We can only beat the drum."
It refers to helping the speaker to convey his ideas to the listener.
Young men and women's first date, each other often because of shyness, will bring a best friend (or small) to help. Also known as "light bulb".
Extended idiom: insinuation.
explain
It refers to helping the speaker to convey his ideas to the listener.
source
The 34th chapter of Li Baojia's officialdom in the Qing Dynasty: "you have to find him yourself. We can only beat the drum."
example sentence
I'll beat the drum for you.
beat the drum on the side
sell one 's master and sue for honours - mài zhǔ qiú róng
a well-behaved and dignified country girl - lín xià fēng yùn