Will time travel ever become a reality?
時光旅行真的會成為現實嗎？
He could no longer distinguish between illusion and reality.
他再也分不清幻想與現實之間的區別了。
You need to keep a good grip on reality in this job.
做這個工作你需要充分了解實際情況。
He's really very human when you get to know him.
你若了解他，就知道他確實很有人情味。
In my experience, very few people really understand the problem.
據我的經驗看，真正理解這個問題的人很少。