If you are critical of someone or something, you show that you disapprove of them.
She did some stuff to make her responsible for employment.
Marcellus believes that the ghost of King Hamlet has been appearing, but Horatio does not believe that could be possible.
Marcellus brings Horatio out in hopes that the ghost will appear again that night so Horatio can see it with his own eyes and finally believe what they've been saying.
"in the desert" and "begun to desert" are both spelt identically but have different meanings- so D. heteronyms