He pushed the door open with his hand.

He has a unique character.

It seems that this river is flowing backwards.

He is an excellent arranger, and has produced many musical works.

He is good at playing Beethoven's variations.

Polar bears live in extremely cold areas.

I am majoring in immunology at university.

The smoker was smoking a cigarette outside the restaurant.

He underwent a cerebrospinal fluid test.

For now, please give me a cup of coffee.