1 sentence

1. 在下有一事相求，不知可否请您帮个忙？

   zài xià yǒu yī shì xiāng​qiú, bù​zhī kě​fǒu qǐng nín bāng gè máng?

   I have a favor to ask. I wonder if you might be able to help me?

   Source: Dong Chinese Dictionary