Tā / piānqiǎo / zuò / zài / wǒ / pángbiān / wǒmen / hěn / kuài / jiù / liáo / le / qǐlái.

他偏巧坐在我旁边，我们很快就聊了起来。

As luck would have it, he sat next to me, and we soon started talking.