2 sentences

1. 我只是在尽职而已。

   wǒ zhǐ​shì zài jìn​zhí ér​yǐ.

   I'm just doing my job.

   Source: OpenSubtitles

2. 她是一个非常尽职的老师。

   tā shì yī gè fēi​cháng jìn​zhí de lǎo​shī.

   She is a very conscientious teacher.

   Source: Dong Chinese Dictionary