"bluffer" in Chinese (Simplified)
虚张声势者吹牛者
Definition
虚张声势者是指假装拥有自己并不具备的能力、知识或实力，通常是为了欺骗或让别人留下深刻印象的人。
Usage Notes (Chinese (Simplified))
“虚张声势者”多用于扑克等需要欺骗策略的游戏，也可指日常生活中装作知道或有更多的人。可以是调侃，也带有不真诚的负面意味。
Examples
Tom is a great bluffer in poker games.
汤姆在扑克游戏中是个很会**虚张声势者**。
Sally is a bluffer; she always pretends to know everything.
Sally 是个**吹牛者**，她总是假装什么都知道。
You can't trust a bluffer, even if they sound confident.
你不能相信一个**虚张声势者**，即使他听起来很自信。
He acted like a tech expert, but turned out to be just a bluffer.
他装作技术专家，其实只是个**吹牛者**。
Everyone thought Lisa was telling the truth, but she was a clever bluffer.
大家都以为Lisa说的是真的，其实她是个很聪明的**虚张声势者**。
It's not easy to spot a bluffer in a high-stakes game.
在高风险的游戏中，很难发现**虚张声势者**。