曲子: poem for singing, tune, music...
吸毒: to take drugs...
腐化: to rot, to decay, to become corrupt...
变为: to change into...
当事人: persons involved or implicated, party (to an affair)...
顺理成章: logical, only to be expected, rational and clearly structured (of text)...
车厢: carriage...
泥土: earth, soil, mud, clay...
本来: original, originally, at first, it goes without saying, of course...
菜: dish (type of food), vegetable, cuisine...