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Well, being careful to avoid KY-ness is obviously of high importance in certain work conditions. In the presence of one's superiors, or worse, external guests, doing anything KY, i.e. making overly argumentative comments against the others, aggressively doing something that should be reserved to the superiors, and so forth, as a new graduate, is bound to be highly humiliating and irritating for the superiors.
japanese.stackexchange.com/questions/372/when-j...