This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The motto of this team is 'one for all, all for one'.

We are aiming to kill two birds with one stone with this plan.

His words held a double surprise, like 'isseki-rokuto'.

When learning Japanese grammar, it is important to understand verbs of the upper monograde conjugation.

He is trying to understand the concept of Trinity in Christianity.

He is the type of person who understands ten from hearing one.

She stood on the stage in a dazzling manner, wearing a Juni-hitoe.

In Christianity, God is considered as the Trinity of the Father, the Son, and the Holy Spirit.

He decided to start a new business and reminded himself that even a journey of a thousand miles begins with a single step.