It's difficult to understand his explanation.

This app provides useful information for everyday life.

His advice was completely useless.

I like to study new languages.

Learning the etiquette of tea helps to understand Japanese traditional culture.

The way of making this poem is very unique.

It's difficult to understand his explanation.

Let's go out for tea with friends today.

It is my habit to drink tea every morning.

Japanese traditional culture is highly valued around the world.