区く別べつをつける

expression, ichidan verb

distinguish between; tell the difference between

Used when making a clear distinction between two or more things, often in contexts where the difference is not obvious or needs to be pointed out.

• この二ふたつの色いろは似にているので、区く別べつをつけるのが難むずかしい。

  These two colors are so similar that it's hard to tell the difference between them.

• 彼かれは本ほん物