在黑暗中，我无法分辨出任何东西。

I couldn't ___distinguish anything in the darkness.

在黑暗中，我什么也分辨不出来，吓得要死。

I could ___distinguish nothing in the darkness and was scared to death.

很难区分这对双胞胎，因为他们长得太像了。

It is difficult to ___distinguish between the twins because they look so similar.