He was always envious of others' success, saying that the grass is always greener on the other side.

I gave her a birthday gift.

I love stir-fried pork.

What is this object?

He is an expert in physics.

His favorite food is sushi.

What is this organism?

His new literary work is receiving high praise from critics.

This bottle contains poison.

He loves physics and studies it in the library almost every day.