mass noun
1- the action of slapping a person's back in congratulation or encouragement拍后背以示祝贺（或鼓励）。
1.1
- the action of congratulating someone, typically as a mere gesture or in return for favours祝贺（经常只是装装样子或作为回报）：
the awards are about industry politics and backslapping.
这些奖项是行业内玩弄手腕, 投桃报李的结果。
- vigorously hearty热情友好的：
those cheerful, backslapping journalists.
那些兴高采烈且热情友好的记者。
派生词