n.吹牛者，吹牛大王，自吹自擂的人

He's just a blowhard who likes to hear himself talk; don't take anything he says too seriously.
他只是个爱夸夸其谈的自大狂，别把他的话太当真。
The politician's speeches were full of empty promises, revealing him to be more of a blowhard than a true leader.
那位政客的演讲满是空洞的承诺，这让他看起来更像是一个吹牛大王而非真正的领袖。
Whenever he enters the room, the blowhard starts bragging about his accomplishments, most of which are exaggerated or outright false.
每次他进屋，那个爱吹牛的人就开始炫耀他的成就，其中大多数都是夸大其词或完全虚假的。
I can't stand working with Steve, he's such a blowhard and never listens to anyone else's ideas.
我无法忍受和史蒂夫一起工作，他太自大了，从不听取别人的意见。
The self-proclaimed expert turned out to be a complete blowhard when asked detailed questions about his supposed field of expertise.
当被问及他自称的专业领域的详细问题时，这位所谓的专家原来完全是个夸夸其谈的人。
Despite his confident exterior, everyone knew he was a blowhard who lacked real substance or knowledge.
尽管他外表自信，但人人都知道他是个空谈家，缺乏真正的内涵或知识。
At social gatherings, she always dominates conversations, turning into a blowhard who forgets to let others speak.
在社交聚会上，她总是主导谈话，变成了一个忘记让别人发言的夸夸其谈者。
The blowhard on the radio made grandiose claims about his product, but a quick fact-check revealed they were all baseless.
电台上的那个大话王对其产品做出了夸张的声明，但快速的事实核查显示这些说法都是毫无根据的。
He's known for being a blowhard at meetings, taking up valuable time with his endless, irrelevant stories.
他以在会议上爱吹牛而闻名，用他那些没完没了、无关紧要的故事占用了宝贵的时间。
It's tiring how the blowhard keeps insisting he knows best, even in matters he clearly has no understanding of.
那个自大狂坚持认为自己最懂，即使是在他明显不了解的事情上，真是令人厌烦。