I am interested in Japanese language education.

His explanation was impossible to understand.

I contacted him beforehand.

This connection is very important.

Please disconnect the power.

Contact with him changed my life.

In order to calculate the value of the cotangent, you need to divide the length of the adjacent side of a right triangle by the length of the opposite side.

In Finnish, the adessive case is used to express location and time.

This land has a wide road frontage to the south.

We are looking for new partnerships to strengthen our business contact.