He ate it with great pleasure.
Meaning: This means that he enjoyed eating the food very much.
Choice of Words: Ate is a verb that means to consume food. It is a pronoun that refers to something that has already been mentioned. With is a preposition that indicates the manner or means of doing something. Great is an adjective that means very good or impressive. Pleasure is a noun that refers to a feeling of enjoyment or satisfaction. When you put them together, the sentence means that he consumed the food with a feeling of enjoyment or satisfaction.
Alternative Expressions
Related Expressions