这位科学家是公认的专家。

Zhè wèi kēxuéjiā shì gōngrèn de zhuānjiā.

This scientist is recognized as an expert by the public.

他的贡献是公认的。

Tā de gòngxiàn shì gōngrèn de.

His contributions are publicly acknowledged.

这个城市是公认的旅游胜地。

Zhège chéngshì shì gōngrèn de lǚyóu shèngdì.

This city is a recognized tourist destination.