2 sentences

1. 援军终于赶到，为被围困多日的城堡解围。

   yuán​jūn zhōng​yú gǎn​dào, wèi bèi wéi​kùn duō rì de chéng​bǎo jiě​wéi.

   Reinforcements finally arrived to lift the siege of the castle.

   Source: Dong Chinese Dictionary

2. 看到他陷入尴尬的境地，我赶紧说几句话为他解围。

   kàn​dào tā xiàn​rù gān​gà de jìng​dì, wǒ gǎn​jǐn shuō jǐ jù huà wèi tā jiě​wéi.

   Seeing him in an embarrassing situation, I quickly said a few words to bail him out.

   Source: Dong Chinese Dictionary