false reputation; empty title; undeserved fame
Refers to fame, honor, or a title that is not backed by real substance or achievement. Often used in critical or self-deprecating contexts.
His fame is nothing but an empty title.
You should hone your real ability rather than chase false reputation.
Compound of 虚 (kyo, 'false, empty') and 名 (mei, 'name, reputation'). The meaning is transparent from its components.