This house is old, but you can feel its character.

This room is overflowing with happiness.

The Mariana Trench is the deepest part of the earth.

Hiroshi is my best friend.

The house over there is very big.

Mr. Danno is a mathematics teacher.

Sentarou fell asleep while watching TV.

We are implementing a social distancing strategy to prevent the spread of the new coronavirus.

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.

Please teach me how to calculate the area of this circular sector.