labor at

labor at (something)

To work very hard or diligently to accomplish something. I've been laboring at my Ph.D. for nearly four years now. Pat's out back laboring at repainting the back wall.
See also: labor

labor at something

to work hard at something. He is laboring at his gardening and won't be back in the house until dinnertime. What are you laboring at so intensely?
See also: labor
References in periodicals archive ?
outline the evolution of London's migrant division of labor, charting the emergence of a new migrant division of labor at the bottom end of the city's labor market, revealing how London's low-wage labor market continues to be characterized by national, ethnic, racial and gender divisions (global cities like London have benefited immensely from migrant labor), and highlighting the extent of London's dependence on the rest of the world for its low-paid labor supply.
Does it mean just bringing people into unions, or does it mean building a social movement with labor at its center?
In the June 12 SCIENCE, Zingg and his colleagues report that a gene in the uterus of pregnant rats that codes for the production of oxytocin becomes steadily more active during pregnancy, peaking just before labor at more than 150 times its normal level of expression.
Full browser ?