n.幽默；开玩笑；客气话
The children smiled politely at the visitor's pleasantries. 孩子听了客人说的幽默话，都斯文地笑了。
After an exchange of pleasantries, the leaders started their negotiations. 领导人互相寒暄一番，然後开始谈判。
使人不,快的话,侮辱人的话
