There are many synonyms for the phrase "work one's tail off." Some alternative expressions include "work one's fingers to the bone," "sweat blood," "burn the midnight oil," "labour tirelessly," "toil relentlessly," and "put in the hard yards." Each of these phrases carries a similar connotation of working extremely hard and putting in a lot of effort. They can be used to describe a wide variety of situations, from working long hours at a physically demanding job, to dedicating oneself to studying or honing a skill. Ultimately, these synonyms serve to emphasize the hard work and dedication it takes to achieve success.
