"Burdensome task" refers to a job or duty that feels heavy, difficult, or troublesome. It implies that the task requires a lot of effort or causes stress. Full definition
«We need to create the Swiffers in education,» challenged Reimers, referring to the floor cleaners by Procter & Gamble that changed the way we perform the simple yet burdensome task of cleaning our floors. (gse.harvard.edu)
Our existence is too crowded with burdensome tasks and unexpected setbacks for us to assume that alone we can overcome what confronts us. (religion-online.org)
By implication, simple compliance by an FCPA defendant with e-discovery demands alone may sometimes be a very burdensome task, irrespective of the impact of the European legal framework regarding privacy and data protection. (ftitechnology.com)