本集核心英语单词及例句：

1.etiquette (n.)礼仪，礼节
The rules of etiquette are not so strict nowadays.
如今的礼仪规则已经不那么严格了。

2.fashion (n.)时尚，时装
I'm hoping to get some fashion hints
我希望能得到一些有关时尚的建议。

3.blunder (n.)错误，失策
I saw that I had been guilty of a careless blunder.
我意识到自己因疏忽而酿成大错。

4.violation (n.)违反，妨碍，冒犯
The action is an open violation of the Vienna Convention.
该行为公然违背了《维也纳公约》。

5.elbow (n.)肘部，弯头
I've worn through the elbow of this old coat at last.
最后我把这件旧外套的肘部磨出了窟窿。

6.napkin (n.)纸巾
He dabbed at the spot on his tie with a napkin.
他用餐巾快速擦去领带上的污点。

7.buffet (n.)自助餐
Could you provide coffee and a buffet lunch at noon?
中午你们能提供咖啡和自助餐吗？

8.refrain (vt.)抑制，克制
Refrain from using such coarse language.
别使用这样的粗俗的语言。