be in errorMISTAKEto have made a mistake, especially when making an official decision 〔尤指在作正式决定时〕犯错,失误 The doctor has admitted that he was in error. 医生承认了他的失误。
be in error• Buchanan is in error on that point.• If such efforts are required, the planning of the display was in error.• The company has admitted to the court that it was in error.• Mendeleev suggested that the given masses might be in error.• An expensive project is just as likely to be in error as a cheap one.• Unfortunately, however, the Volunteers were in error.• Ah, King, you were in error.
→ be in error at error(2)