armchair expert 伪专家
英文释义
An inexperienced, self-proclaimed authority.
Although he's never traveled outside of the town he was born in, my uncle talks like an armchair expert about
foreign cities because he occasionally reads travel magazines.
我叔叔从未到他出生的城市之外旅行，但因为偶尔阅读旅游杂志，他可以像个伪专家那样谈论外国的城市。