区く別べつがつく

expression, godan verb (-ku)

tell apart; distinguish; know the difference

Used when one can perceive or recognize the difference between two or more things. Often appears in potential or negative forms.

See also: 見分け

• この双ふた子ごはそっくりで、私わたしには区く別べつがつかない。

  These twins look so alike that I can't tell them apart.

• 本ほん物ものと偽にせ物ものの区く別べつがつきますか。

  Can you distinguish the real thing from the fake?