分内

For a nurse, calming the fears of anxious relatives is all in a day’s work.

对于护士来说，安慰惊慌失措是分内事。

As a doctor, he has to work long hours and some weekends, but that goes with the territory I suppose.

作为医生，他得长时间工作，有时周末也要搭进去，我想这些都是医生分内事。