5 sentences

1. 是非对错，有时很难分辨。

   shì​fēi duì​cuò, yǒu​shí hěn nán fēn​biàn.

   It is sometimes hard to tell right from wrong.

   Source: Tatoeba

2. 这对双胞胎长得太像，很难分辨。

   zhè duì shuāng​bāo​tāi zhǎng de tài xiàng, hěn nán fēn​biàn.

   The twins look so much alike that it's hard to tell them apart.

   Source: Dong Chinese Dictionary

3. 人类的视觉能够分辨数百万种颜色。

   rén​lèi de shì​jué néng​gòu fēn​biàn shù​bǎi​wàn zhǒng yán​sè.

   Human vision is capable of distinguishing millions of colors.

   Source: Dong Chinese Dictionary

4. 这两位双胞胎的模样非常仿佛，外人很难分辨。

   zhè liǎng wèi shuāng​bāo​tāi de mú​yàng fēi​cháng fǎng​fú, wài​rén hěn nán fēn​biàn.

   The twins look so much alike that it is difficult for outsiders to tell them apart.

   Source: Dong Chinese Dictionary

5. 这种显微镜能分辨出细胞的细微结构。

   zhè zhǒng xiǎn​wēi​jìng néng fēn​biàn chū xì​bāo de xì​wēi jié​gòu.

   This microscope can distinguish the fine structures of cells.

   Source: Dong Chinese Dictionary