labor at

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 ?
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.
Samet represented the Department of Labor at meetings of the OECD and the WTO, including the Singapore and Seattle Ministerials.