2 sentences for 辨 (biàn — distinguish)

1. 人要能辨别是非。

   rén yào néng biàn bié shì​fēi.

   One should be able to distinguish right from wrong.

   Source: Dong Chinese Dictionary

2. 他能辨出这两款红酒之间的细微差别。

   tā néng biàn chū zhè liǎng kuǎn hóng​jiǔ zhī​jiān de xì​wēi chā​bié.

   He can distinguish the subtle differences between these two red wines.

   Source: Dong Chinese Dictionary