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
have faith and promote good will - jiǎng xìn xiū mù
fly swiftly as a frightened swan goose - piān ruò jīng hóng
confront each other with daggers - jiàn bá nǔ zhāng
high official positions and riches - gōng míng lì lù