My son has started learning taekwondo.

A vi ra hūṃ khaṃ is a Buddhist mantra, believed to have the power to purify the mind.

He left the door of the room wide open.

He is known as an expert in subcritical nuclear experiments.

My dog is very smart.

I bought a movie ticket.

This sphere is a part of our life.

This apple is too hard to eat.

He acquiesced to my proposal.

The constitution of Japan guarantees the basic human rights of its citizens.