1 sentence

1. 他在学生会担任干事，负责日常的行政工作。

   tā zài xué​sheng​huì dān​rèn gàn​shi, fù​zé rì​cháng de xíng​zhèng gōng​zuò.

   He serves as an officer in the student union, responsible for daily administrative work.

   Source: Dong Chinese Dictionary