贤惠: (of a wife) wise and kind, perfect in her traditional roles...
缺点: weak point, fault, shortcoming, disadvantage...
有效期: period of validity, sell-by date...
潜水: to dive, to go under water, (in an online forum) to lurk...
群众: mass, multitude, the masses...
沼泽: marsh, swamp, wetlands, glade...
手法: technique, trick, skill...
