6.officials getting their hands grubby with filthy lucre .
双手,大敛不义之财官员们。
7.businesses who don't want to get their hands grubby with all the technical gubbins.
不想因各种技术设备而玷自己名声企业。
8.The boys in their grubby navy bow ties and blue uniforms were indistinguishably horrid—nose-pickers, thumbsuckers, snorers, neer-do-wells, farters, burpers, the unwashed and unclean.