fail · v
fail to do sth
B2 to not do what is necessary or expected
Dictionary examples:
He failed to turn up for football practice yesterday. (24.9)
He failed to mention that we wouldn't be paid for the work. (35.5)
I fail to see/understand
C2 used to say that you do not accept something
Dictionary examples:
I fail to see why you cannot work on a Sunday. (18.0)
fail (EXAM)
A2 to not pass a test or exam
Dictionary examples:
My dog ate my homework, so I failed the test. (0.0)
I failed my memory test. I forgot to take it! (0.0)
I studied so hard, I failed at failing my math test! (0.0)
"How was your chemistry exam?" "Awful! I think I failed." (17.2)
If she doesn't study she'll fail all her exams. (24.8)
A lot of people fail their driving test the first time. (56.3)
fail (NOT SUCCEED)
B2 to not be successful
Dictionary examples:
This method of growing tomatoes never fails. (22.0)
He failed in his attempt to break the record. (30.5)
She moved to London in the hope of finding work as a model, but failed. (35.6)
fail (STOP WORKING)
B2 to stop working normally, or to become weaker
Dictionary examples:
Two of the plane's engines had failed. (17.8)