mutual

我们发现我们都对徒步旅行有兴趣。

We discovered a ___mutual interest in hiking.

我们发现我们在摄影方面有共同的兴趣。

We discovered a ___mutual interest in photography.

两位艺术家之间有一种相互钦佩。

There is a ___mutual admiration between the two artists.