英和和英

cover up a fault

a failure in performance; botch; mistake; error

a mistake of identity

a mistake of identity

a tactical error

a case of mistaken identity

a case of mistaken identity

a incorrect alphabetic character

a venial error

mistaken identity

accidental error

a mistake resulting from inattention

commit a fault

commit a fault

the proof-reader's error

guaranteed not to fail

error resulting from bad code in some program involved in producing the erroneous result

to fall into error―drift into error

to remove an error in a program

a condition of having made a very unusual error

an error that is officially allowed

Failure at the stage of memorization

to be careful not to make an error

the act of correcting an error

repair a defect [an error]

to nip an evil in the bud―destroy an evil in the egg

to make a mistake―commit an error

errors found in web application

locate and correct errors in a computer program code

I had 10 points taken off for making a careless mistake.