to make a mistake; to be incorrect; to be mistaken
Example sentences
彼は非常に不注意なので、よく間違う。
He is such a careless boy that he makes mistakes very often.
彼が話すのを聞けば、君は彼を外国人と間違うだろう。
To hear him talk, you would take him for a foreigner.
誰でも間違う事はある。
Anyone can make mistakes.