职守

shàn lí zhí shǒu

擅离职守

leave one's post without permission

wán hū zhí shǒu

玩忽职守

be derelict of one's duties

yī gè zhōng yú zhí shǒu de rén

一个忠于职守的人

dutiful person

tā qín yú zhí shǒu

她勤于职守。

She is assiduous in her duties.