Here are examples of the word/phrase "chastize" used in a sentence and paraphrased in a sentence...
I would like for you to chastize my work so I can improve it.
I would like for you to criticize my work so I can improve it.
Critics chastize others for a living.
Critics criticize others for a living.
It makes sense for someone who is knowledgeable about what he does to chastize him.
It makes sense for someone who is knowledgeable about what he does to scold him.
Other Examples...