I hate that plastic smile of hers.

【plastic】我讨厌她那做作的笑容。

There was a sad fellow over on a bar stool talking to the bartender, who was polishing a glass and listening with that plastic smile people wear when they are trying not to scream.

酒吧凳子上有一个悲伤的家伙在和酒保说话， 酒保正在擦玻璃， 脸上带着人们试图不尖叫时脸上那种塑料般的微笑。