许可证: license, authorization, permit...
双重: double...
污秽: nasty, sordid, filthy...
烟火: smoke and fire, fireworks...
结晶: to crystallize, crystallization, crystal, crystalline, the fruit (of labor etc)...
工资: wages, pay...
当然: only natural, as it should be, certainly, of course, without doubt...
消极: negative, passive, inactive...
锤子: hammer...
