1.require to 要求

Unless you require to share data in this manner, disable this.
除非你需要以这种方式共享数据，否则关闭它。

Moreover, you can require to enter a CAPTCHA after a number of failed logins from a certain IP address .
此外，在某一个ip地址多次登陆失败之后你可以要求输入一个验证码。

2.return to 回到；恢复到

Then we had to tell him he had to return to the hell he had just left.
然而我们却必须告诉他，他不得不再继续回到那个刚刚离开的地狱。

There is a child inside all of us, whether we realize it or not. And sometimes we return to that child like state.
不管我们是否意识到，在我们所有人内心都有个小孩，而有时候我们会回到那个孩子的状态。

3.thanks to 由于，幸亏

He preceded his speech with a vote of thanks to the committee.
他发表讲话前先提议向全体委员表示感谢。

To be sure, war, violence and poverty are still with us and we as mankind are probably more aware of these problems worldwide than ever before thanks to advances in technology and communication.
毫无疑问，战争、暴力以及贫穷仍然伴随着我们，并且，作为人类，由于技术与通信的进步，我们可能比以往任何时候都更深切地意识到了这些问题。

4.health insurance 健康保险

Use your health insurance while you still have it.
当你的健康保险还有效的时候，用一把。

The two health insurance schemes have nothing at all in common.
这两个健康保险方案丝毫没有共同之处。