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。

Native speakers can distinguish between grammatical and ungrammatical sentences even when they have never heard particular combinations before.

母语使用者可以分辨符合语法规则和不符合语法规则的句子，即使他们以前从没有听过这些特定的词语组合。

People who cannot distinguish between colors are said to be color-blinded.

不能分辨色彩的人被称作色盲。

As games blend our real and virtual environments, should there be a concern that some people will be less able to distinguish between the two?

游戏将真实的和虚拟的环境相混合，那么我们是否应该担心有些人会不那么容易区别这二者？

At what age are children able to distinguish between right and wrong?

儿童到什么年龄才能明辨是非？