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?

I received honmei choco from her.

I bought a new headphone.

The Hokkaido raccoon dog is a species endemic to Japan, especially abundant in Hokkaido.

He started his speech using a microphone.

The Japanese tree frog is a beautiful frog that lives in the forests of Japan.