Will time travel ever become a reality?

时光旅行真的会成为现实吗？

He could no longer distinguish between illusion and reality.

他再也分不清幻想与现实之间的区别了。

You need to keep a good grip on reality in this job.

做这个工作你需要充分了解实际情况。

He's really very human when you get to know him.

你若了解他，就知道他确实很有人情味。

In my experience, very few people really understand the problem.

据我的经验看，真正理解这个问题的人很少。