John 4:32 Meaning

30Then they went out of the city, and came unto him.

31In the mean while his disciples prayed him, saying, Master, eat.

32But he said unto them, I have meat to eat that ye know not of.

33Therefore said the disciples one to another, Hath any man brought him ought to eat?

34Jesus saith unto them, My meat is to do the will of him that sent me, and to finish his work.