I endeavor to find some peaceful places.

我努力寻找一些宁静的地方。

You must endeavor to improve your work.

你必须努力改进自己的工作。

This book has been an endeavor to find interesting questions.

本书就是寻找有趣问题的尝试。

First, we should endeavor to maintain world peace and stability.

第一，大力维护世界和平稳定。

To build a safer world for all, we should endeavor to do the following.

为缔造普遍安全的世界，我们要努力做到以下几点。