Shirk duty - Idioms by The Free Dictionary
shirk one's duty
to neglect one's job or task. The guard was fired for shirking his duty. You cannot expect to continue shirking your duty without someone noticing.
References in periodicals archive
NEW KOMEITO MUST NOT SHIRK DUTY
ON ARTICLE 9 (The Daily Yomiuri as translated from the Yomiuri Shimbun)