名副其实 (míng fù qí shí)

not just in name only, but also in reality (idiom); aptly named; worth

Character breakdown

Usage

他是一位名副其实的专家。

not just in name only, but also in reality (idiom); aptly named; worthy of the name

tā shì yī wèi míng fù qí shí de zhuān jiā 。