the surrounding of a place by an armed force in order to defeat those defending it

The siege of Mafeking lasted for eight months. 对马弗京的围攻持续了8个月。

The soldiers laid siege to (= started a siege of) the city. 士兵们包围了这座城市。

The castle was under siege for months. 城堡被围困数月。

figurative That whole weekend at Cannes, Brigitte Bardot was under siege by photographers. 在戛纳，布丽吉特‧芭铎整个周末都被摄影师们包围着。