2 sentences for 围攻 (wéi​gōng — besiege)

1. 起义军正在围攻王宫。

   qǐ​yì​jūn zhèng​zài wéi​gōng wáng​gōng.

   The rebel forces are besieging the palace.

   Source: Dong Chinese Dictionary

2. 经过数日围攻，这座孤城最终还是陷了。

   jīng​guò shù rì wéi​gōng, zhè zuò gū​chéng zuì​zhōng hái​shi xiàn le.

   After several days of siege, the isolated city finally fell.

   Source: Dong Chinese Dictionary