1. It is a relationship of mutual benefit, mutual gain.

两个人在这段关系 同获益 互惠互利

2. You pass it down to the lower classes, they pass it back up to you, and you call this a mutual endeavour, when it's mutual priggishness if it's anything.

你把它传达给低层阶级 他们也会返给你 你叫它双方努力 其实就是两边都自以为是

3. Convince the parties to focus on mutual protection rather than mutual destruction, we may get our breakthrough.

说服双方聚焦在相互保护方面 而不是相互摧毁 我们也许就能获得突破口

4. What... so you were fired? It was mutual.

什么 所以你被炒了 是相互的

5. That's why I invited a mutual friend.

所以我邀请了一位我们共同的朋友

6. Our bond was in our mutual suffering.

正是我们彼此的苦难将我们牵系在一处

7. You don't have to trust me because we have mutual selfinterest.

你不需要相信我 因为我们的利益一致

8. We're in a mutually beneficial situation again.

我们又处在这种互利的状况下了

9. I wouldn't be in this relationship if there wasn't a mutual benefit.

如果我们双方不是互营互利的话 那我就不会出现在这里了

10. We had a parting of the ways. It was mutual.

我们是双方自愿达成一致 他们同意我辞职

以上参考资料就是本英汉词典详细汇总的单词mutualism的翻译英语含义，如有错漏请向我们提供反馈意见。