beat the drum for 可不是真的指在打鼓，而是引申为“摇旗呐喊；鼓吹；大肆鼓吹”的意思。

【例句】
A few of the members took a bunch of tickets out and beat the drum for the play with our friends.
俱乐部的几个成员把一大把票子拿到外面去和我们的朋友一起作推销宣传。

I don't beat the drum for anything ; I would rather keep a low profile.
我不做任何宣扬；我宁可保持低姿态。