He bought too much on credit, and his debt increased.

He bought a new car on credit.

That remark earned him frowns from those around him.

He suffered from external bleeding due to an accident.

He has experience living in a foreign country.

That proposal is completely unthinkable.

We are searching for extraterrestrial life.

Please teach me how to calculate the circumcenter of this triangle.

Sotonami is my best friend.

The outward appearance of that building is very modern, attracting people.