2 sentences

1. 我只是做我分内的工作。

   wǒ zhǐ​shì zuò wǒ fèn​nèi de gōng​zuò.

   I was just doing my job.

   Source: OpenSubtitles

2. 这也是他的分内工作，并非分外之事。

   zhè yě shì tā de fèn​nèi gōng​zuò, bìng fēi fèn​wài zhī shì.

   This is part of his duty, not something outside his responsibility.

   Source: Dong Chinese Dictionary