把被盥洗室里的线圈弄脏的油煮开，免得它变质。Boil the oil soiled by the coil in the toilet lest it spoil.把被盥洗室里的线圈弄脏的油煮开,免得它变质.Boil the oil soiled by the coil in the toilet lest It'spoil.把鞋子在蹭鞋垫上擦干净, 否则你会把地板弄脏的.Clean your shoes on the mat...

“弄脏的”的英语可以翻译为：[医]contaminant，flyblown ...