adj.doing arduous or unpleasant work
"toiling coal miners in the black deeps"
同义词：drudginglaboringlabouring
Toiling through Tears
Gaps in Penrose's toiling
Toiling without Rights: Ho Women of Singhbhum
"Toiling Ingenuity": Food Regulation in Britain and Nigeria
Health in Developing Countries. Toiling for toilets
Ambiguous opportunity: toiling for truth of nursing art and science
Toiling in Pasteur's quadrant: the contributions of N.L. Gage to educational psychology ☆
200,000 Illegal Immigrants Toiling in Canada's Underground Economy
Toiling in King Solomon's Mine: A Study in Business Valuation for Transfer Tax Purposes (Part II)
Toiling in the Vale of Tears: Everyday Life and Resistance in South Uist, Outer Hebrides, 1760—1860
