line-shooter

Tom is such a line-shooter; he claimed he once climbed Mount Everest.

汤姆真是个吹牛专家；他声称自己曾攀登过珠穆朗玛峰。

Don't trust his promises; he's a known line-shooter in the industry.

别相信他的承诺；他是业内出了名的吹牛专家。

My brother is a line-shooter when it comes to fishing stories.

我哥哥在讲钓鱼故事时就是个吹牛专家。