My new smartphone is very convenient.

This is the sample I made.

We will exhibit at a large trade fair next week.

He is busying himself for the new project.

He is busying himself for the new project.

I think his plan is putting the cart before the horse.

I think he put the cart before the horse because he started taking action before making a detailed plan.

Fundamental knowledge of mathematics is necessary for daily life.

Calque is the act of borrowing phrases directly translated from other languages.

Do you know his real name?