three-D job
n.— «Influenced by the economic slowdown and increasing unemployment, even the so-called three-D (dirty, difficult and dangerous) jobs have become hard to get, for the first time in ten years. Three-D job applicants surpassed job offers by 30 percent during the fourth quarter in 1997.» —“Even Dirty-Dangerous-Difficult Jobs Become hard to Get” Korea Economic Weekly Feb. 9, 1998. (source: Double-Tongued Dictionary)