The pupil is not sure he has answered enough.
The pupil fears he will make a mistake.
The pupil waits for the teacher to verify his answer.
The pupil is not sure of what he intends to say.
The pupil does not believe what he says. He is in doubt.
The pupil does not concentrate.
The pupil is careless and lazy.
On the Part of the Teacher
The teacher throws out suggestive hints of the answer and the pupil answers in guesses.
The teacher’s question has not been clearly put.