Bona Fide (adj.) = Authentic 非虛假的

字義:

Bona fide means "in good faith" in Latin. When applied to business deals and the like, it stresses the absence of fraud or deception.

例句:

A bona fide sale of securities is an entirely above board transaction. 

Outside of business and law, bona fide implies mere sincerity and earnestness.

OMG is that a real Chanel bag? It’s a bona fide original.

Wow, that diamond is so big, how could you afford that? Well t’s not a bona fide diamond.

Example clip:

O Brother Where Art Thou - Bona fide