Its connotation is that of the accomplishment arrived at by great effort of time and Power. In Mandarin, when two "to start with tone" words and phrases like gōng and fū are mixed, the 2nd phrase normally normally takes a neutral tone, In this instance forming gōngfu. The word is http://tysonjbqlb.articlesblogger.com/3231034/an-unbiased-view-of-karate