ribbing  
noun uk/ˈrɪb.ɪŋ/ us/ˈrɪb.ɪŋ/
  (PATTERN)      
  [ U ]凸条花纹;罗纹花样 
a pattern of raised lines on a piece of clothing made from wool
  He liked the ribbing on the cuffs of the sweater. 他喜欢这件毛衣袖子上的罗纹花样。 
   (JOKE)      
 [ C usually singular ] informal(善意地)取笑,逗弄,开…的玩笑 
the act of laughing at someone in a friendly way as a joke
  They gave him a ribbing about his accent. 他们取笑他说话带口音。