The main part of the army moved to Sevastopol to besiege the town.

这支部队的主力前往塞瓦斯托波尔去围攻那个小镇。

《柯林斯英汉双解大词典》

Our army is ready to besiege and intercept the enemy.

我军已经形成对敌人的围堵之势。

youdao

And Saul summoned all the people to war, to go down to Keilah, to besiege David and his men.

于是扫罗招聚众民，要下去攻打基伊拉城，围困大卫和跟随他的人。

youdao

Obamacare, Dodd-Frank and other laws still in implementation threaten to besiege posterity under bureaucratic assault.

FORBES: Obama's Very Visible Hand Strangles Business

Along with many of St Petersburg's artistic treasures, the museum was moved to Siberia as Hitler's forces prepared to besiege the city.

BBC: Moscow Diary: The icy frontier

Social and economic dynamics, as mentioned in the Atlantic piece, are contributing to besiege many households, even as a seemingly well-connected elite sails on.

FORBES: 11 Modest Tips for Staying Middle Class (Awaiting Obama)