This is not authentic French food.

这不是正宗的法国菜。

youdao

The fish hotpot here is not authentic Sichuan cuisine.

这儿的水煮鱼不是正宗的四川菜。

youdao

I don't think it serves anyone if you force yourself to be selfless in a way that's not authentic.

如果你是强迫自己去无私，而并非真正想如此，那么我认为这样做不会服务于任何人。

youdao

it's very easy to know that this is not a student's authentic writing.

所以，很容易辨认出这不是学生自己写的。

对于抄袭的想法 - SpeakingMax英语口语达人

Doctored reviews are not authentic, and they can even be insulting to the original author.

FORBES: Zapos, Zappoz, or Zappos: Why Typos Are Good For Your Brand

First, this Angry Birds Bad Piggies game is not authentic: it is a pigs-shoot-birds game.

FORBES: Fake "Angry Birds" Games Hit Google Chrome Web Store

But ABC News quoted a spokesperson for Herman as saying the documents were not authentic.

CNN: Herman Focus Of Influence-Peddling Probe