he had only just had a sip-in the corner , while the four dwarves sat around the table , and talked about mines and gold and troubles with the goblins , and the depredations of dragons , and lots of other things which he did not understand , and did not want to , for they sounded much too adventurous-when , ding-dong-a-ling- ' dang , his bell rang again , as if some naughty little hobbit-boy was trying to pull the handle off .