这两人之间互不信任。

There was mutual mistrust between the two men.

《柯林斯英汉双解大词典》

警方介入将已分裂又互不信任的两组人隔离开。

Police moved in to separate the two groups, already sundered by distrust.

《柯林斯英汉双解大词典》

对于互不信任的同事来说，比起做任何有用的工作，他们需要花更多的时间去小心提防他人。

Colleagues who don't trust one another will need to spend more time watching their backs than doing any useful work.

youdao

We are basically committed to each other for sex but it's very hard to make those relationships last a long time because we might not have anything in common, we might not share anything with each other, we might not trust each other, we are not particularly bonded to each other.

我们基本上只有激情的承诺,长时间维持这种关系很困难,因为可能双方没有任何共同点，没有共享的东西，我们可能互不信任，不是特别亲近。

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