Senses
狗皮膏药/ 狗皮膏藥 dog-skin plaster
a type of plaster used in traditional medicine for treating physical injuries or rheumatism; it is applied directly to the skin to relieve pain
狗皮膏药/ 狗皮膏藥 quack medicine
counterfeit medicine or sham goods; refers to anything deceptive or of poor quality, based on how traveling charlatans used to sell fake medical plasters