A Japanese businessman wants to tell his Norwegian client that he is uninterested in a particular sale. So he says "That will be very difficult." The Norwegian eagerly asks how he can help. The Japanese is mystified. To him, saying that something is difficult is a polite way of saying "No way in hell!". Dave Barry tells the story of being on a trip to Japan and working with a Japanese airline clerk on taking a flight from one city to another. On being asked about it, the clerk said "Perhaps you would prefer to take the train." So he said "NO, I want to fly." So she said "There are many other ways to go." He said "yes, but I think it would be best to fly." She said "It would very difficult". Eventually, it came out that there were no flights between those cities.