tā / shì / bù / mén / de / èr / bǎ / shǒu / zhǔ / yào / fù / zé / rì / cháng / guǎn / lǐ / gōng / zuò

他是部门的二把手，主要负责日常管理工作。

He is the second-in-command of the department and is mainly responsible for daily management.