The war drum is beating.

战鼓敲响了。

《新英汉大辞典》

The others, including James “Doc” Bradley, whose son's book is the basis for the film, are sent home to drum up enthusiasm for war bonds.

其他三个被送回国土来鼓动民众积极购买战争国债，其中包括James “Doc” Bradley，影片就是根据他儿子的小说改编的。

youdao

Farewell the neighing steed, and the shrill trump, the spirit-stirring drum, the ear-piercing fife, the royal banner, and all quality, Pride, pomp and circumstance of glorious war!

永别了，长嘶的骏马、锐厉的号角、惊魂的鼙鼓、刺耳的横笛、庄严的大旗和一切战阵上的威仪！

youdao

Mid-afternoon, and main stage security have built themselves into a reinforced semi-circle as if preparing for war as Australian drum 'n' bass metalers Pendulum arrive - it's officially their 150th show.

BBC: Newsbeat - Download festival 2009 reviewed

But, since the Gulf war, Mr Hussein has turned to Islam to break out of regional isolation, and to help him to drum up political support in the Muslim world.

ECONOMIST: Iraq rediscovers religion