我可以通过长相区别日本人和中国人，但是区别不出日本人和韩国人。

I can see difference between japanese and chinesen from their looks but have a hard time to see difference between japanese and koreans.

youdao

在高速下，鲨鱼分辨不出其中的区别。

At high speeds the sharks can't tell the difference.

youdao

外表不那么可爱且较为恐怖的是 Actroid F，它与人类相像到一些病人可能看不出区别。

On the less cute and more scary side there is Actroid F, which is so human-like that some patients may not know the difference.

youdao